| 单词 | sea star |
| 例句 | But the boy simply blinked, then looked back down at the sea star and tugged again, harder. Orphan Island 2017-05-30T00:00:00Z “But if you could tell science like a story, I’d pay attention. I liked your story about the sea stars and the oysters.” The Line Tender 2019-04-16T00:00:00Z Then she remembered Loo beside her, and turned to discover that he was methodically tugging on one arm of a red sea star. Orphan Island 2017-05-30T00:00:00Z They stared at each other, both of them shocked into silence, as the sea star and its leg fell from Loo’s small hands. Orphan Island 2017-05-30T00:00:00Z “Bad karma,” I said, doodling a group of sea stars in the corner of my paper, attacking a single oyster. The Line Tender 2019-04-16T00:00:00Z But then...Loo sat right up, and with his eyes on Jinny the whole time, he reached into the water and pulled out another sea star. Orphan Island 2017-05-30T00:00:00Z In the shallow water beyond the rocks there were sea stars too, a field of their strange bumpy bodies. Orphan Island 2017-05-30T00:00:00Z Only, it doubled the number of sea stars and destroyed the oysters.” The Line Tender 2019-04-16T00:00:00Z She reached over with a quick hand, grabbed the sea star, and tossed it out into the water. Orphan Island 2017-05-30T00:00:00Z Wolf showed us how to look for signs of life inside the shell, including tips for spotting live echinoderms — sand dollars, sea urchins and sea stars, which also are covered by the shelling law. This Florida museum offers a hands-on look at the secret lives of shells 2016-04-14T04:00:00Z The biologist, Robert Paine, hoped to ascertain what happened when you purged tide pools of sea stars, which, despite their sedentary appearance, are voracious predators of other marine life. Peering Into the Brutal, Beautiful World of Tide Pools 2022-02-22T05:00:00Z That’s because the new display features two saltwater pools filled with dozens of stingrays, skates, sea stars and other marine creatures just waiting for you to dip your fingers in and rub their backs. National Aquarium exhibit puts sea creatures within reach 2015-05-11T04:00:00Z If you’d visited Tatoosh Island, a windswept chunk of rock off Washington’s coast, in 1963, you would have been greeted by an odd sight: a towering, bespectacled biologist flinging sea stars into the Pacific Ocean. Peering Into the Brutal, Beautiful World of Tide Pools 2022-02-22T05:00:00Z Set in the underwater town of Bikini Bottom, it captures the goofy friendship of its cheerful title character and the simple sea star Patrick. With a Singing SpongeBob, Nickelodeon Aims for a Broadway Splash 2017-11-22T05:00:00Z Simultaneously, sea urchins’ main predator, sunflower sea stars, were wiped out by a sea star wasting syndrome. ‘Zombie’ Urchins Are Destroying Kelp Forests. Can’t We Just Eat Them? 2021-10-04T04:00:00Z The sea star’s coloring remained vibrant and it had 19 arms in total. Fisherman catches 19-armed endangered starfish in crab trap: 'Making a comeback' 2021-10-18T04:00:00Z The sunflower sea star LeFever caught appears healthy, according to the photo he captured. Fisherman catches 19-armed endangered starfish in crab trap: 'Making a comeback' 2021-10-18T04:00:00Z Sunflower sea stars can grow up to 24 inches in length and can be found in salty waters between Alaska and California, according to Britannica. Fisherman catches 19-armed endangered starfish in crab trap: 'Making a comeback' 2021-10-18T04:00:00Z The program, in the Milstein Hall of Ocean Life, will feature scientists, activity stations and guests like a horseshoe crab, a nautilus, a bamboo shark and a sea star, all alive and touchable. Spare Times for Children for Dec. 4-10 2015-12-03T05:00:00Z We combed the high-tide line, finding patterned sea urchin shells, sun-bleached sea stars, driftwood sanded by waves and the occasional crab trap. On California’s Lost Coast: Sea Lions, Surf and Squiggly Roads 2019-08-26T04:00:00Z Eel grass and anemones swayed in the pools that the tide had left behind while purple, yellow and bright red sea stars clung to the rocks. Explorer: Hiking Washington State’s Rocky Olympic Coast 2012-07-13T16:31:29Z At the edge of another rocky island not far from the haul-out, fat purple sea stars — a constellation of them — sprawled along the intertidal zone, gorging themselves on tiny mussels. On Small Ship, Ocean Life (and Other Passengers) Are Up Close 2016-03-15T04:00:00Z Pick up a map at the Breazeale Interpretive Center, where there are exhibits, an aquarium and a new touch tank filled with purple sea stars. Fresh produce, Sound views and more fill out a fun Skagit Valley day trip this fall 2021-09-04T04:00:00Z "Catching a sunflower sea star was potential evidence that they are making a comeback," he told the British news agency. Fisherman catches 19-armed endangered starfish in crab trap: 'Making a comeback' 2021-10-18T04:00:00Z In particular, starfish, also called sea stars, have fivefold radial symmetry, so the animal can be divided into five identical segments. Starfish Are Heads—Just Heads 2023-11-03T04:00:00Z “It’s as if the sea star is completely missing a trunk, and is best described as just a head crawling along the seafloor,” lead author and Stanford University scholar Laurent Formerly explained to CNN. Scientists find that the bodies of starfish are all head and no torso 2023-11-02T04:00:00Z "First we sectioned sea star arms into thin slices from tip to center, top to bottom, and left to right," said Formery, noting that sea stars regenerate missing limbs. Where is a sea star's head? Maybe just about everywhere 2023-11-01T04:00:00Z The impressive exhibit features shells the size of small dogs, adult hand-sized sand dollars, giant horseshoe crab domiciles, column-like shells, leather corals, square sea stars and other curiosities among thousands. A road trip to Washington’s New England: Port Gamble | Provided by Western Washington Toyota Dealers 2023-10-25T04:00:00Z Over the past decade, the sunflower sea star has gone from a mighty predator of the Pacific Ocean floor to nearing extinction. These Starfish Face Extinction. Scientists Are Helping Them Mate. 2023-10-21T04:00:00Z A set of molecular markers on a sea star’s genes determine the animal’s body plan, which includes its radial symmetry and organ structure. Starfish Are Heads—Just Heads 2023-11-03T04:00:00Z After two of their major predators, sea otters and sunflower sea stars, were pushed to the brink of extinction by 19th-century fur trading and a 2014 ocean warming event, these spiny invertebrates flourished unchecked. We Need to Think about Conservation on a Different Timescale 2023-10-15T04:00:00Z Instead, the headlike regions are distributed with some in the center of the sea star as well as in the center of each limb of its body. Where is a sea star's head? Maybe just about everywhere 2023-11-01T04:00:00Z Sea cucumbers are in the same family as sea stars and sea urchins and can measure up to 7 feet. Traffickers plead guilty to smuggling over $10,000 in endangered sea cucumbers 2023-09-01T04:00:00Z The Nature Conservancy estimates that 5.75 billion sunflower sea stars died over the span of three years, a 94 percent global decline. These Starfish Face Extinction. Scientists Are Helping Them Mate. 2023-10-21T04:00:00Z Beyond just sea stars, the findings may help scientists understand how new animal shapes and structures evolve in other branches of the tree of life, Oliveri says. Starfish Are Heads—Just Heads 2023-11-03T04:00:00Z We then used the model to predict how the system responds to marine heat waves and outbreaks of sea star wasting disease, recreating the events of the past 10 years. We Need to Think about Conservation on a Different Timescale 2023-10-15T04:00:00Z Echinoderms and humans are closely related, yet the life cycle and anatomy of sea stars are very different from ours. Where is a sea star's head? Maybe just about everywhere 2023-11-01T04:00:00Z Since 2013, 90 percent of the sea star’s population has been lost to disease caused by increasing temperatures and acidification. An oil rig that environmentalists love? Here’s the real story. 2023-08-08T04:00:00Z The cause, scientists say, is largely climate change and warming waters, spurred by what they now refer to as sea star wasting disease. These Starfish Face Extinction. Scientists Are Helping Them Mate. 2023-10-21T04:00:00Z Next, the researchers will look to ancient fossils to find earlier sea star structures—perhaps some with more trunk and tail markers—to track when exactly the trunk was lost. Starfish Are Heads—Just Heads 2023-11-03T04:00:00Z For example, distinguishing a sea star from a sea urchin, fleshy red algae from green or brown algae, and soft-sediment from a hard substrate. Seattle partnership dives into the mysteries of Elliott Bay’s bull kelp | Provided by Port of Seattle 2023-06-08T04:00:00Z During his graduate research, Formery studied early development in sea urchins -- echinoderms, like sea stars, that also start their life as bilateral larvae before transforming into adults with fivefold symmetry. Where is a sea star's head? Maybe just about everywhere 2023-11-01T04:00:00Z There are many podia along the length of the arm, which allow the sea star to latch onto objects and walk. Fundamentals of Biology 2015-01-01T00:00:00Z Because of this high level of nutrients, a diversity of fungi, sponges, sea anemones, marine worms, sea stars, fishes, and bacteria exists. Concepts of Biology 2013-04-25T00:00:00Z The study begins to probe a bigger evolutionary question: How did the sea star and its equally-strange echinoderm siblings develop their unique starlike symmetry? Starfish Are Heads—Just Heads 2023-11-03T04:00:00Z As his students sliced and cataloged each layer of mud, they gasped in wonder at the tiny worms, snails and sea stars that lived so deep under the sea. Scientists uncover startling concentrations of pure DDT along seafloor off L.A. coast 2023-03-23T04:00:00Z "In the second method, in situ hybridization chain reaction, we stained sea star tissue and visually inspected the samples to see where a gene was expressed," said Formery. Where is a sea star's head? Maybe just about everywhere 2023-11-01T04:00:00Z Unlike sea stars, which have plump arms, brittle stars have long, thin arms that are sharply demarcated from the central disk. Fundamentals of Biology 2015-01-01T00:00:00Z Perhaps the best-known echinoderms are members of the class Asteroidea, or sea stars. Concepts of Biology 2013-04-25T00:00:00Z Sunflower sea stars: Federal officials said this week that sunflower sea stars, huge starfish that until recently thrived in the waters of the West Coast, should be protected under the Endangered Species Act. Hundreds of L.A. Schools to Close Next Week as Workers Strike 2023-03-17T04:00:00Z It killed more than 90 percent of sunflower sea stars from 2013 to 2017, in what officials described as the largest marine wildlife disease outbreak on record. A 24-Armed Hunter, Threatened With Extinction, Is Set to Get Protection 2023-03-15T04:00:00Z The research revealed that sea stars have a headlike territory in the center of each "arm" and a tail-like region along the perimeter. Where is a sea star's head? Maybe just about everywhere 2023-11-01T04:00:00Z The sea star in photo a is red and white, with a thick squat body and protruding spikes. Fundamentals of Biology 2015-01-01T00:00:00Z In some sea stars, a new individual can be regenerated from a broken arm and a piece of the central disc. Concepts of Biology 2013-04-25T00:00:00Z Separate tanks hold sea stars at each phase of their early life in the lab. What happened to sunflower sea star? This captive breeding lab is working to find out 2023-03-15T04:00:00Z “We think it’s likely exacerbated by the increasing ocean temperature,” said Sadie Wright, a protected species biologist with National Oceanic and Atmospheric Administration Fisheries who worked on the status review for the sunflower sea star. A 24-Armed Hunter, Threatened With Extinction, Is Set to Get Protection 2023-03-15T04:00:00Z In an unexpected twist, no part of the sea star ectoderm expresses a "trunk" genetic patterning program, suggesting that sea stars are mostly headlike. Where is a sea star's head? Maybe just about everywhere 2023-11-01T04:00:00Z The most well-known echinoderms are members of class Asteroidea, or sea stars. Fundamentals of Biology 2015-01-01T00:00:00Z Figure 15.31 This diagram shows the anatomy of a sea star. Concepts of Biology 2013-04-25T00:00:00Z The dozens of aptly named sea stars in tanks on San Juan Island receive five-star care from Hodin and the research team. What happened to sunflower sea star? This captive breeding lab is working to find out 2023-03-15T04:00:00Z Sunflower sea stars gorge on sea urchins, which have skyrocketed in abundance since the starfish disappeared. A 24-Armed Hunter, Threatened With Extinction, Is Set to Get Protection 2023-03-15T04:00:00Z In the oceans, many sea stars, sturgeon and other species are already on the decline. Nations agree on ‘world-changing’ deal to protect ocean life 2023-03-05T05:00:00Z Echinoderms are invertebrate marine animals that have pentaradial symmetry and a spiny body covering, a group that includes sea stars, sea urchins, and sea cucumbers. Fundamentals of Biology 2015-01-01T00:00:00Z The characteristics of sea stars that set them apart from other echinoderm classes include thick arms that extend from a central disk where organs penetrate into the arms. Concepts of Biology 2013-04-25T00:00:00Z A Troschel sea star clung to a piling nearby, but no sunflower stars were in sight. What happened to sunflower sea star? This captive breeding lab is working to find out 2023-03-15T04:00:00Z “When you remove the sea stars, you see the cascading effects,” Ms. Wright said. A 24-Armed Hunter, Threatened With Extinction, Is Set to Get Protection 2023-03-15T04:00:00Z The scientists found that sea stars were passionate consumers of both juvenile and large adult sea urchins. The Missing 24-Limbed Animals That Could Help Rescue the Ocean’s Forest 2023-03-05T05:00:00Z Echinoderms are invertebrate marine animals that have pentaradial symmetry and a spiny body covering, a group that includes sea stars, sea urchins, and sea cucumbers. Fundamentals of Biology 2015-01-01T00:00:00Z The same can’t be said about the youngest sea stars, worms, or butterflies: Many invertebrates start out looking nothing like the adults they will become. How shapeless blobs of cells grow into wriggling worms 2023-01-16T05:00:00Z Scientists are beginning to unravel the mystery around what caused the disease, and why it hit the sunflowers harder than other sea stars. What happened to sunflower sea star? This captive breeding lab is working to find out 2023-03-15T04:00:00Z Sunflower sea stars can sport some 24 limbs and span more than three feet, about a meter, from tip to tip. A 24-Armed Hunter, Threatened With Extinction, Is Set to Get Protection 2023-03-15T04:00:00Z When sea stars attack, urchins fight back, often pinching off pieces of the sea star’s arms and making the attacker back off. The Missing 24-Limbed Animals That Could Help Rescue the Ocean’s Forest 2023-03-05T05:00:00Z Some animal species—including sea stars and sea anemones, as well as some insects, reptiles, and fish—are capable of asexual reproduction. Fundamentals of Biology 2015-01-01T00:00:00Z Around the same time, warmer water may have sped up sea star wasting disease, which causes sea stars to die and break apart. The Missing Mammal That May Have Shaped California’s Kelp Forests 2022-12-05T05:00:00Z Studies are underway to examine what makes sea stars more resilient to the disease — some researchers are breaking down the genes activated by exposure and what can help them survive. What happened to sunflower sea star? This captive breeding lab is working to find out 2023-03-15T04:00:00Z Some 20 other species of sea stars have also been hit by the wasting syndrome, though sunflower sea stars are thought to be among the worst affected. A 24-Armed Hunter, Threatened With Extinction, Is Set to Get Protection 2023-03-15T04:00:00Z “Just a few sunflower sea star individuals can produce millions of larvae,” he said. The Missing 24-Limbed Animals That Could Help Rescue the Ocean’s Forest 2023-03-05T05:00:00Z In echinoderms like sea stars, every arm bears two rows of tube feet on the oral side. Fundamentals of Biology 2015-01-01T00:00:00Z Under warming waters and sea star wasting disease, the model showed, this sea-cow-grazed ecosystem would bounce back faster than the existing ecosystem. The Missing Mammal That May Have Shaped California’s Kelp Forests 2022-12-05T05:00:00Z Eventually, mounting research to understand how sea star wasting disease spreads will intersect with Hodin’s efforts and widespread reintroduction could begin. What happened to sunflower sea star? This captive breeding lab is working to find out 2023-03-15T04:00:00Z The proposal to list sunflower sea stars as threatened follows a 2021 petition by the Center for Biological Diversity, a nonprofit advocacy group. A 24-Armed Hunter, Threatened With Extinction, Is Set to Get Protection 2023-03-15T04:00:00Z If they are successful, he says, even a small restoration effort “could easily lead to millions of sea stars returning to the wild.” The Missing 24-Limbed Animals That Could Help Rescue the Ocean’s Forest 2023-03-05T05:00:00Z Rumrill contributed to a recently published road map to recovery for the sea star as a guide for scientists and conservationists. Scientists call for action to help sunflower sea stars 2022-12-03T05:00:00Z ASTORIA, Ore. — Scientists along the West Coast are calling for action to help sunflower sea stars, among the largest sea stars in the world, recover from catastrophic population declines. Scientists call for action to help sunflower sea stars 2022-12-03T05:00:00Z They’ll start with fake sea stars to test the flow, temperatures and other factors inside and outside of the cages. What happened to sunflower sea star? This captive breeding lab is working to find out 2023-03-15T04:00:00Z “I’m ecstatic that the sunflower sea star will get the safeguards of the Endangered Species Act,” said Miyoko Sakashita, the center’s oceans program director. A 24-Armed Hunter, Threatened With Extinction, Is Set to Get Protection 2023-03-15T04:00:00Z And it may be that sea urchins have multiplied because one of their chief predators, the sunflower sea star, has been nearly wiped out by disease. The Missing 24-Limbed Animals That Could Help Rescue the Ocean’s Forest 2023-03-05T05:00:00Z For example, in many sea stars, asexual reproduction is accomplished by fragmentation. Biology for AP Courses 2022-06-09T00:00:00Z Experts say a sea star wasting disease epidemic that began in 2013 has decimated about 95% of the population from the Aleutian Islands of Alaska to Mexico’s Baja California peninsula, The Astorian reported. Scientists call for action to help sunflower sea stars 2022-12-03T05:00:00Z Here, in the burbling tanks at the University of Washington’s Friday Harbor Labs, these charismatic orange and maroon sea stars are snacking on mussels and dog-piling their siblings. What happened to sunflower sea star? This captive breeding lab is working to find out 2023-03-15T04:00:00Z “The federal government will also have to develop a recovery plan for the sea stars,” Ms. Sakashita said, “which can mean more focus on disease prevention and even climate change.” A 24-Armed Hunter, Threatened With Extinction, Is Set to Get Protection 2023-03-15T04:00:00Z Scientists estimate that there once were as many as five billion sunflower sea stars along the coast from Alaska to Baja California. The Missing 24-Limbed Animals That Could Help Rescue the Ocean’s Forest 2023-03-05T05:00:00Z Figure 34.4 illustrates a sea star for which an arm of the individual is broken off and regenerates a new sea star. Biology for AP Courses 2022-06-09T00:00:00Z While sunflower sea stars appear to be the most affected by the sea star wasting disease, they are among about 20 documented species of sea stars at risk along the West Coast. Scientists call for action to help sunflower sea stars 2022-12-03T05:00:00Z So what do these disappearing sea stars have to do with kelp? What Does It Look Like when an Ecosystem Collapses? Kelp Can Show Us 2022-07-21T04:00:00Z If listed, the sunflower sea star would be the first sea star to be federally protected. A 24-Armed Hunter, Threatened With Extinction, Is Set to Get Protection 2023-03-15T04:00:00Z They move quickly, at least for a sea star — up to 200 feet in an hour. The Missing 24-Limbed Animals That Could Help Rescue the Ocean’s Forest 2023-03-05T05:00:00Z Fisheries workers have been known to try to kill the sea stars eating their clam or oyster beds by cutting them in half and throwing them back into the ocean. Biology for AP Courses 2022-06-09T00:00:00Z The sea star wasting disease is estimated to have killed over 5.75 billion sunflower sea stars, according to the document. Scientists call for action to help sunflower sea stars 2022-12-03T05:00:00Z The question remains: Will the sea stars ever return to save the kelp forests? What Does It Look Like when an Ecosystem Collapses? Kelp Can Show Us 2022-07-21T04:00:00Z Because of this high level of nutrients, a diversity of sponges, sea anemones, marine worms, sea stars, fishes, and bacteria exist. Environmental Biology 2018-09-06T00:00:00Z These were healthy sea stars, survivors unaffected by the wasting disease, possibly because they were resistant to the illness. The Missing 24-Limbed Animals That Could Help Rescue the Ocean’s Forest 2023-03-05T05:00:00Z Unfortunately for the workers, the two parts can each regenerate a new half, resulting in twice as many sea stars to prey upon the oysters and clams. Biology for AP Courses 2022-06-09T00:00:00Z That innovation came from Hartt, who raised alarm bells early in his 2013-17 tenure about ecological devastation as park visitors poached sea stars for their private aquariums. As Deception Pass turns 100, WA’s favorite state park cultivates next generation of ‘dreams and memories’ 2022-07-01T04:00:00Z From kelp to sea stars to urchins, what we know about the underwater world is often a tapestry of observations made by scientists, students, citizens and computers. What Does It Look Like when an Ecosystem Collapses? Kelp Can Show Us 2022-07-21T04:00:00Z My curiosity goes beyond why the sea star is purple or how climate change stresses their health. The next wave of U.S. ocean conservation: Creating marine protected areas with community input 2022-06-08T04:00:00Z If the sea star can persist, it surrounds the urchin and ingests it through the mouth on its underside. The Missing 24-Limbed Animals That Could Help Rescue the Ocean’s Forest 2023-03-05T05:00:00Z The large arm, a fragment from another sea star, is developing into a new individual. Biology for AP Courses 2022-06-09T00:00:00Z Endurance has become part of the deep-sea ecosystem, encrusted with sponges, sea stars and other organisms. The Discovery of Shackleton’s Wreck Is as Disquieting as It Is Amazing 2022-03-30T04:00:00Z The species was Pycnopodia helianthoides, commonly known as the sunflower sea star, a large predatory starfish found in the northeastern Pacific. What Does It Look Like when an Ecosystem Collapses? Kelp Can Show Us 2022-07-21T04:00:00Z When they surveyed the Arctic sponge grounds, the researchers also discovered tiny shrimp, small worms and pudgy sea stars. Surprise Fossil-Munching Sponges Found in Arctic Seafloor Wasteland 2022-02-08T05:00:00Z Dr. Galloway acknowledged that there are many other factors besides the diminishing sea star population that affect the health of the kelp forest, like climate change and increased periodic heat waves. The Missing 24-Limbed Animals That Could Help Rescue the Ocean’s Forest 2023-03-05T05:00:00Z Often the numbers of sea stars are seen to double after this. Biology for AP Courses 2022-06-09T00:00:00Z Record temperatures in Pacific Northwest in June 2021 left mussels, clams, oysters, barnacles, sea stars, rockweed and more dead along thousands of miles of coastline. 15 Conservation Issues to Watch in 2022 2021-12-30T05:00:00Z This phenomenon is called sea star wasting syndrome. What Does It Look Like when an Ecosystem Collapses? Kelp Can Show Us 2022-07-21T04:00:00Z The undersea forests face a range of threats — including overgrazing by sea urchins when there aren’t enough otters and sea stars to keep urchin populations in check, according to NOAA. Proposed national marine sanctuary off California advances 2021-11-09T05:00:00Z And he makes no claim that a healthy sea star population is the ultimate solution. The Missing 24-Limbed Animals That Could Help Rescue the Ocean’s Forest 2023-03-05T05:00:00Z Because of this high level of nutrients, a diversity of fungi, sponges, sea anemones, marine worms, sea stars, fishes, and bacteria exist. Biology for AP Courses 2022-06-09T00:00:00Z In California, spikes in water temperatures coincided with a population explosion of kelp-eating purple sea urchins, which in turn was triggered by the die-off of sea stars that normally keep the urchins in check. An ambitious new alliance works to identify what’s happening to our crucial kelp forests in order to protect — and, hopefully, restore — them 2021-10-31T04:00:00Z Raimondi’s team created a Web site for interested divers and tide-pool combers to contribute photographs and observations of sea stars in the wild. What Does It Look Like when an Ecosystem Collapses? Kelp Can Show Us 2022-07-21T04:00:00Z On low-tide days, search tide pools for sea stars and anemones. Edmonds to Everett road trip: Local seaside getaways | Provided by Western Washington Toyota Dealers 2021-09-29T04:00:00Z But sea star wasting disease, possibly caused by a virus, has killed most of them. The Missing 24-Limbed Animals That Could Help Rescue the Ocean’s Forest 2023-03-05T05:00:00Z Wild cats such as lions, shown in Figure 25.3a and tigers are examples of vertebrate carnivores, as are snakes and sharks, while invertebrate carnivores include sea stars, spiders, and ladybugs, shown in Figure 25.3b. Biology for AP Courses 2022-06-09T00:00:00Z The plague wiped out huge sunflower sea stars, one of the main predators of purple urchins, a voracious creature nicknamed the “zombie urchin” that eats everything in its path, including rocks. The ballad of Captain Dan: A California fisherman sailing the choppy waters of climate change 2021-09-01T04:00:00Z “You start adding in the clams and the barnacles and the sea stars and the snails,” he said. Heat Wave Spread Fire That ‘Erased’ Canadian Town 2021-07-10T04:00:00Z Just before the heat wave, when Dr. Harley took in the eye-popping weather forecasts, he thought about how low the tide would be at midday, baking the exposed mussels, sea stars and barnacles. Like in ‘Postapocalyptic Movies’: Heat Wave Killed Marine Wildlife en Masse 2021-07-09T04:00:00Z Besides cloning, the nonprofit in Sausalito, California, promotes genetic research into imperiled life forms ranging from sea stars to jaguars. 1st clone of US endangered species, a ferret, announced 2021-02-18T05:00:00Z Echinoderms such as sea stars have nerve cells that are bundled into fibers called nerves. Biology for AP Courses 2022-06-09T00:00:00Z Long-lived echinoderms such as the sand-sifting sea star are perhaps an example of the latter. When Same-Sex Mating Makes Reproductive Sense 2020-12-03T05:00:00Z Several of the sea star’s arms soon popped off. Bringing the Ocean’s Midnight Zone Into the Light 2020-09-22T04:00:00Z The dead sea stars, usually the most eye-catching creatures in tidal pools, hit him particularly hard. Like in ‘Postapocalyptic Movies’: Heat Wave Killed Marine Wildlife en Masse 2021-07-09T04:00:00Z A whole universe of sea stars, sea anemones and other marine life is revealed at low tides. Take in fresh air and serenity at Richmond Beach Saltwater Park 2020-06-16T04:00:00Z WED Join IslandWood educators and Bainbridge Beach Naturalists for a beach exploration to hunt for sea stars, sea cucumbers, urchins, and marine worms, 11 a.m. Community calendar: Pride events, Fourth of July celebrations, Dragon Fest, Spirit of Africa and more 2019-06-26T04:00:00Z One of the ultimate results of the children’s donation, a paper that sheds some light on the decline of the starfish, also known as sea stars, was published Wednesday in the journal Science Advances. Scientists Single Out a Suspect in Starfish Carnage: Warming Oceans 2019-01-30T05:00:00Z After more than five hours in the midnight zone, the vehicle returned to the surface with its drawers and cylinders full of sea stars, nudibranchs, worms and sponges. Bringing the Ocean’s Midnight Zone Into the Light 2020-09-22T04:00:00Z Polarstern's biologists are expecting to find new types of worms, sea stars, brittle stars, sea-pigs and other sea cucumbers - the sorts of animals that will sift seafloor muds for a meal. Mission to visit uncovered ice ecosystem 2019-02-04T05:00:00Z Sunflower sea stars, which live only on the west coast of North America, are now virtually gone from the waters off California, Oregon and Washington. Star pupils: students inspire key study into alarming starfish decline 2019-01-30T05:00:00Z And finally, the sea star disintegrates into a pale mound of decaying flesh. ‘This is shocking.’ An undersea plague is obliterating a key ocean species 2019-01-30T05:00:00Z But it corroborates a hypothesis that was initially questioned because the virus that researchers think is responsible also shows up in healthy sea stars. Scientists Single Out a Suspect in Starfish Carnage: Warming Oceans 2019-01-30T05:00:00Z With the exception of a few sea stars, all the animals collected that day are alive and well at the aquarium. Bringing the Ocean’s Midnight Zone Into the Light 2020-09-22T04:00:00Z One leg steps forward and the other two push to slide forward to keep up and the sea star moves much, much faster, with podia involved in one of every three steps. Watch this sea star bounce to get around 2019-01-06T05:00:00Z The new study finds that outbreaks of the virus among sunflower sea stars coincided with anomalously warm waters. Star pupils: students inspire key study into alarming starfish decline 2019-01-30T05:00:00Z These data sets spanned nearly a decade prior to the collapse of sea stars and covered more than 3000 kilometers of coastline. ‘This is shocking.’ An undersea plague is obliterating a key ocean species 2019-01-30T05:00:00Z “While younger sea stars took longer to show symptoms, once they did, they died right away,” Mapes reported. Biological annihilation: A planet in loss mode 2018-12-17T05:00:00Z In the early summer of 2013, scientists first started noticing sea star deaths, and soon many tidal areas up and down the west coast once crawling with purple and orange stars were nearly empty. The amazing return of the starfish: species triumphs over melting disease 2018-06-26T04:00:00Z The first starfish studied, Protoreaster nodosus, is a little sluggish, as its podia almost completely empty between bounces, causing the sea star to collapse onto the group, so it takes more energy to bounce. Watch this sea star bounce to get around 2019-01-06T05:00:00Z At the time of the wasting disease outbreak — the cause of which is still unknown, but may be linked to warmer temperatures — many larvae spawned by dying sea stars were still at sea. Sea Stars Started Dissolving. What Helped Some of Them Survive? 2018-06-18T04:00:00Z More than 80 percent of the ocher sea stars on the northern coast died as a result of that outbreak of sea star wasting syndrome. Sea stars were dissolving. What helped some of them survive? 2018-06-22T04:00:00Z Some have gotten lucky, having never been hit by storms or swarms of ravenous sea stars. These 38 Coral Reefs Are Thriving, Despite Threats 2018-06-18T04:00:00Z Regardless of which tour you take, you can expect to see a variety of wildlife including harbor seals, river otters, sea lions, porpoises, sea stars and bald eagles. Visit Orcas Island for an easy-going summer getaway | Provided by Rosario Resort and Spa 2018-05-08T04:00:00Z The Haystack Rock Awareness Program conducts similar surveys for sea stars and marine debris throughout the year. Citizen science programs integral to coastal research 2018-03-10T05:00:00Z In the summer of 2013, the ochre sea stars of the California coast fell victim to a deadly plague. Sea Stars Started Dissolving. What Helped Some of Them Survive? 2018-06-18T04:00:00Z In the summer of 2013, the ocher sea stars of the California coast fell victim to a deadly plague. Sea stars were dissolving. What helped some of them survive? 2018-06-22T04:00:00Z Warmer waters also mean that coral-eating sea stars survive longer, lay more eggs, and cause more damage. These 38 Coral Reefs Are Thriving, Despite Threats 2018-06-18T04:00:00Z After a bounty or feast is the best time to spend energy on reproducing and that's when other sea stars are more likely to be close by too. Starfish See Pretty Well in the Deep Ocean. By the Way, Starfish Have Eyes. 2018-02-07T05:00:00Z Even ravenous, predatory sea stars, also known as starfish, prey on them. 11 billion pieces of plastic are spreading disease across the world’s coral reefs 2018-01-25T05:00:00Z More than 80 percent of the ochre sea stars on the northern coast died as a result of that outbreak of sea star wasting syndrome, as the disease is called. Sea Stars Started Dissolving. What Helped Some of Them Survive? 2018-06-18T04:00:00Z More than 80 percent of the ocher sea stars on the northern coast died as a result of that outbreak of sea star wasting syndrome, as the disease is called. Sea stars were dissolving. What helped some of them survive? 2018-06-22T04:00:00Z The Orange County Register says sea stars are being spotted in Southern California tide pools and elsewhere. Starfish making comeback after syndrome killed millions 2017-12-26T05:00:00Z People think of sea stars as slow but some move pretty fast. Starfish See Pretty Well in the Deep Ocean. By the Way, Starfish Have Eyes. 2018-02-07T05:00:00Z Other winners use dance to explain their work on sea star ecology, the psychology of creativity, and the biochemistry of criminal forensics, which also won our online audience favorite award. Top stories: Dancing Ph.D. students and unearthing the Great Pyramid’s secrets—with cosmic rays 2017-11-03T04:00:00Z Most were spineless marine critters: sea stars, sea slugs, oysters, barnacles, mussels, amphipods, bryozoa and isopods. Plastic junk brought invasive species to U.S. after Japan’s 2011 tsunami 2017-09-28T04:00:00Z In a new paper in the Proceedings of the National Academy of Sciences, they report a detectable difference between the genes of sea stars before the epidemic and the survivors. Sea stars were dissolving. What helped some of them survive? 2018-06-22T04:00:00Z Crawling deftly along the rocks or sand of the sea floor, sea stars find their prey – generally shellfish, like mussels or other bivalves — by following their scent. Sea Stars Are More Brutal Than They Look 2017-08-23T04:00:00Z Underwater, sea stars pull clam shells apart gradually using great perseverance and their strong arms, but moon snails drill through the shells of young clams, devouring them from within. Atlantic Surf Clams: Edible, and Collectible 2017-07-13T04:00:00Z Consider the removal of wolves from forests and sea stars from the Pacific Ocean off California, Oregon and Washington. It’s not just corals — sharks and other big reef predators are also vanishing 2017-03-01T05:00:00Z Less common leather star and sea urchins that are eaten by sea stars increased after 2013. Sea star disease hit some Salish Sea species hard 2016-10-27T04:00:00Z Then, they turned their attention to the juvenile sea stars that appeared after the outbreak. Sea stars were dissolving. What helped some of them survive? 2018-06-22T04:00:00Z But almost as often, I’ve seen them pecking the sea stars apart. Sea Stars Are More Brutal Than They Look 2017-08-23T04:00:00Z Robert Paine, a University of Washington professor, propounded his keystone theory in 1966 after studying ochre starfish, or sea stars, as they preyed on the mussel population along the rocky shore of Makah Bay. Robert Paine, UW ecologist who identified ‘keystone species,’ dies at 83 2016-06-17T04:00:00Z He repeated the process several times a year, clearing the rock of all ochre sea stars, as the animals are commonly known. Bob Paine, ecologist who identified ‘keystone’ species, dies at 83 2016-06-15T04:00:00Z Sunflower sea stars, which live below the low tide line, were once abundant throughout the Salish Sea. Sea star disease hit some Salish Sea species hard 2016-10-27T04:00:00Z Each year, flurries of tiny sea star larvae spend the first stage of their life floating in the open ocean. Sea stars were dissolving. What helped some of them survive? 2018-06-22T04:00:00Z Ironically, though one sea star may become a meal, three might result from the leftovers. Sea Stars Are More Brutal Than They Look 2017-08-23T04:00:00Z You were like two little sea stars clinging to some coral after weeks of stormy seas. How to be human: when (and how) do I open up about past traumas? 2016-05-29T04:00:00Z The devastation caused by a viral infection of sea stars along the United States Pacific coastline shows few signs of abating, continuing to kill its victims in a swift and grisly fashion. Starfish Baby Boom Surprises Biologists Other sea star species, including spiny pink star, also declined. Sea star disease hit some Salish Sea species hard 2016-10-27T04:00:00Z At the time of the wasting-disease outbreak — the cause of which is still unknown, but may be linked to warmer temperatures — many larvae spawned by dying sea stars were still at sea. Sea stars were dissolving. What helped some of them survive? 2018-06-22T04:00:00Z Eventually, the sea star is able to evert its entire stomach into the gap and eat its prey from within. Sea Stars Are More Brutal Than They Look 2017-08-23T04:00:00Z Starfish, also known as sea stars, are crucial predators that eat mussels and barnacles, keeping their populations under control, scientists said. Baby starfish return to Oregon, California after massive die-off 2016-05-11T04:00:00Z Yet against those odds, a huge new crop of sea star babies popped up after last year’s spawning season, surprising researchers who have been tracking the epidemic. Starfish Baby Boom Surprises Biologists Data collected by Oregon State University researchers shows an unprecedented number of baby starfish, or sea stars, survived the summer and winter of 2015, the Eureka Times Standard reported Saturday. Starfish baby boom follows a major West Coast die-off 2016-05-07T04:00:00Z The researchers thought that when the next batch of young sea stars appeared, they would resemble previous generations. Sea stars were dissolving. What helped some of them survive? 2018-06-22T04:00:00Z Look for sea stars among the lowest stones of rock groins. Sea Stars Are More Brutal Than They Look 2017-08-23T04:00:00Z A virus killed millions of sea stars on the Pacific Coast from Southern California to Alaska by causing them to lose their limbs and eventually disintegrate into slime and piles of tiny bones. Sea star babies return in droves amid die-off 2016-05-07T04:00:00Z Voracious eaters, adult sea stars mow their way through full-size mussels, barnacles, and other prey in the first half of the year, moving on to smaller animals by the summer. Starfish Baby Boom Surprises Biologists It’s also laying waste to the ochre sea star that scientists at Cornell University, the University of Puget Sound and Northeastern University, as well as other institutions, examined for the latest research. Warming oceans are turning sea stars to goo and killing lobsters, scientists say 2016-02-17T05:00:00Z By the time the researchers surveyed the new sea stars, the ones still living were more similar to the survivors. Sea stars were dissolving. What helped some of them survive? 2018-06-22T04:00:00Z A two-foot-long sea cucumber, kin to sea stars, shoots thousands of ova into the current to spawn en masse. 2 Countries Reveal How Divided the World Is on Climate Change 2015-11-16T05:00:00Z The bristling spines of a sea urchin are no deterrent to this sea star. Chile Creates Largest Marine Reserve in The Americas 2015-10-05T04:00:00Z It’s at this time of year when young sea stars, newly transformed from their larval stage, begin to migrate out of the water column in greater numbers. Starfish Baby Boom Surprises Biologists Ochre sea stars mysteriously washed ashore in California in 2011, but no one knew why. Warming oceans are turning sea stars to goo and killing lobsters, scientists say 2016-02-17T05:00:00Z The scientists believe that those descended from the dying sea stars grew ill and died upon their return to the tide pools. Sea stars were dissolving. What helped some of them survive? 2018-06-22T04:00:00Z It's a little unexpected, he adds, and they're not sure whether the urchin increase is connected to the sea star die-off or not. Starfish Are Still Dying, But Here's Reason for Hope 2015-09-15T04:00:00Z Port Defiance staff is treating affected sea stars with antibiotics, which proved effective last year. Tacoma zoo loses half its sea star population to disease 2015-09-08T04:00:00Z In some areas, the young sea stars were so abundant “you could hardly miss them,” despite the fact they are each roughly the size of a dime, he says. Starfish Baby Boom Surprises Biologists In a few areas of Puget Sound, including Camano Island, younger sea stars are showing up in large numbers. Volunteers survey sea stars to monitor devastating disease 2015-08-30T04:00:00Z There was something about the sea stars that made it through that allowed them, and not their neighbors, to survive. Sea stars were dissolving. What helped some of them survive? 2018-06-22T04:00:00Z This is part of the reason why Miner, Harvell, and Raimondi don't expect to see local extinctions of sea star species in the near future. Starfish Are Still Dying, But Here's Reason for Hope 2015-09-15T04:00:00Z And they border lots of degraded reefs, which Hay suspects are playgrounds for baby sea stars. Seaweed Bodyguards Coral Against Bullying Sea Stars 2015-08-26T04:00:00Z A syndrome known as sea star wasting disease causes the animal to lose limbs and eventually disintegrate, leaving behind a pile of white goo. Starfish Baby Boom Surprises Biologists “This was a good opportunity to bring in citizen scientists to start monitoring sea stars.” Volunteers survey sea stars to monitor devastating disease 2015-08-30T04:00:00Z Such sightings were rare for a while following an outbreak of the sea star wasting disease. College students dive in to marine life at Rosario Beach 2015-08-23T04:00:00Z In tidepools, where there used to be a mix of organisms including sea stars, scientists are now seeing mussels dominating. Starfish Are Still Dying, But Here's Reason for Hope 2015-09-15T04:00:00Z But the researchers found that, in this case, the seaweeds were saving the corals, blocking the marauding sea stars. Seaweed Bodyguards Coral Against Bullying Sea Stars 2015-08-26T04:00:00Z Though the scale of the current epidemic is unlike anything seen before, sea star wasting disease isn’t new, nor is the virus that is suspected of causing it. Starfish Baby Boom Surprises Biologists Rather than getting rid of the sea stars, they soon multiplied, thanks to all those severed limbs. Volunteers survey sea stars to monitor devastating disease 2015-08-30T04:00:00Z Sea stars were hot a few decades ago when her PhD advisor had trained; sea stars and salamanders, anything that could regrow a lost limb. Verge Fiction: Model Organisms 2015-08-02T04:00:00Z So they've shifted their efforts to monitoring sea star populations and investigating why this disease—probably caused by a very common ocean virus—is now rampaging through 19 species of sea stars. Starfish Are Still Dying, But Here's Reason for Hope 2015-09-15T04:00:00Z In fact, this acorn worm is more closely related to sea stars and vertebrates like fish than it is to an earthworm. Alien Animals and Tortured Seascapes off the Galápagos 2015-07-20T04:00:00Z The hope now is that, with such a large and well-documented surge in new sea stars, some of them might be found to show resistance to the disease. Starfish Baby Boom Surprises Biologists “A sea star will regenerate the whole star, as along as there’s a piece of the disc attached to an arm,” Kyte said. Volunteers survey sea stars to monitor devastating disease 2015-08-30T04:00:00Z In fact, the only person not in the death pool was June, who worked on sea stars. Verge Fiction: Model Organisms 2015-08-02T04:00:00Z It's been three years since millions of sea stars from Alaska to Canada and down to Baja, Mexico started wasting away into gooey white mounds. Starfish Are Still Dying, But Here's Reason for Hope 2015-09-15T04:00:00Z Crinoids are relatives of urchins and sea stars and were once quite numerous in the ancient oceans of the Paleozoic 550 to 250 million years ago. Alien Animals and Tortured Seascapes off the Galápagos 2015-07-20T04:00:00Z Tallying up the absolute numbers of new sea stars gives researchers a better insight into how the remaining populations might be responding to the onslaught. Starfish Baby Boom Surprises Biologists They’re also unsure whether problems will subside, or ravage sea star species over the long term. Volunteers survey sea stars to monitor devastating disease 2015-08-30T04:00:00Z True, she was getting on and her work in sea star regeneration hadn't significantly advanced the field, but she was still working. Verge Fiction: Model Organisms 2015-08-02T04:00:00Z Local residents say they started seeing the sea stars last week. Dozens of sea stars appear in waters off Naples beaches 2015-05-21T04:00:00Z Crinoids are relatives of urchins and sea stars and were once quite numerous in the ancient oceans of the Paleozoic 550 to 250 million years ago. Alien Animals and Tortured Seascapes off the Galápagos 2015-07-20T04:00:00Z Ironically, the presence of the gene in a slightly different form impairs protein synthesis and is usually lethal to sea stars. Starfish Baby Boom Surprises Biologists They count sea stars, noting the species and measuring the radius - the distance from the center of the disc, or body, to the tip of an arm. Volunteers survey sea stars to monitor devastating disease 2015-08-30T04:00:00Z She was ordering new shipments of sea stars from the undergraduates who patrolled the coast and keeping odder hours. Verge Fiction: Model Organisms 2015-08-02T04:00:00Z Mike Bauer, the City of Naples Natural Resources Director says he’s never seen sea stars appear in such large numbers. Dozens of sea stars appear in waters off Naples beaches 2015-05-21T04:00:00Z Crinoids are relatives of urchins and sea stars and were once quite numerous in the ancient oceans of the Paleozoic 550 to 250 million years ago. Alien Animals and Tortured Seascapes off the Galápagos 2015-07-20T04:00:00Z Early symptoms appear as pockmarked lesions on the sea star’s body, followed by twisted, contorted arms and the inability to cling to rocks and other surfaces. Starfish Baby Boom Surprises Biologists There are several dozens of sea star species on the West Coast. Volunteers survey sea stars to monitor devastating disease 2015-08-30T04:00:00Z The disease causes sea stars to form lesions, lose arms and eventually disintegrate. Sea stars with ‘wasting disease’ found in Kachemak Bay 2015-05-13T04:00:00Z Multiple news outlets report the sea creatures, technically called nine-armed sea stars, are appearing in the waters under the Naples pier. Dozens of sea stars appear in waters off Naples beaches 2015-05-21T04:00:00Z In fact, this acorn worm is more closely related to sea stars and vertebrates like fish than it is to an earthworm. Alien Animals and Tortured Seascapes off the Galápagos 2015-07-20T04:00:00Z Since 2014, approximately 20 species of sea stars along the Pacific coast have seen population losses between 60 and 90 percent. Starfish Baby Boom Surprises Biologists Scientists now are tracking whether baby sea stars survive and what happens when a key predator of urchins, mussels and other species is lost. New sea star babies offer hope amid mass deaths in Pacific 2015-05-04T04:00:00Z Steve Fradkin, a coastal ecologist with Olympic National Park, said the disease first infected about a quarter of the sea star population there. New sea star babies offer hope amid mass deaths in Pacific 2015-05-04T04:00:00Z His video explains his work as an intern at the California Academy of Sciences in Golden Gate Park, working in exhibits with penguins and sea stars. Videos replace essays and test scores for some kids’ college applications 2015-03-12T04:00:00Z In fact, this acorn worm is more closely related to sea stars and vertebrates like fish than it is to an earthworm. Alien Animals and Tortured Seascapes off the Galápagos 2015-07-20T04:00:00Z In mammals, EF1-A is associated with cell growth, among other functions, though in sea stars it may be linked to a heightened immune response. Starfish Baby Boom Surprises Biologists Recently, scientists have seen sea stars dying off in an ugly way in the millions along the Pacific Coast. Come on, folks, this planet is worth keeping 2015-01-21T05:00:00Z The women work quickly, as the tide recedes to reveal purple and orange sea stars clinging to barnacled pilings. New sea star babies offer hope amid mass deaths in Pacific 2015-05-04T04:00:00Z In addition, some sites with few sea stars still were hit again. Scientists: Climate change means sicker world for sea life 2014-11-29T05:00:00Z “Not only is this an important discovery of a virus involved in a mass mortality of marine invertebrates, but this is also the first virus described in a sea star.” Scientists link a virus to a wasting disease that has killed millions of Pacific starfish Without the sea stars, the urchin population explodes; bad news for the kelp forests and everything in them. In search of the starfish killer: The quest to save the original keystone species 2014-11-18T05:00:00Z The disease spread so quickly because of the large number of sea stars in a single area. Millions of starfish have been mysteriously melting — finally, scientists think they know why 2014-11-18T05:00:00Z But Miner’s chart also revealed good news - a few baby sea stars offered a glimmer of hope for the creature’s recovery. New sea star babies offer hope amid mass deaths in Pacific 2015-05-04T04:00:00Z Previous mass die-offs of sea stars occurred during El Niño events in the early 1980s and late 1990s, leading scientists to presume there were links between ocean warming and the disease. Virus may be cause of epidemic killing millions of sea stars 2014-11-17T05:00:00Z Sea-star wasting disease is a poorly understood condition in which sea stars decline from apparent good health into melted piles of goo over a matter of days. First clues found in mysterious sea star die-off 2014-11-16T05:00:00Z The sea star populations in that part of southern California still haven’t recovered. In search of the starfish killer: The quest to save the original keystone species 2014-11-18T05:00:00Z The wasting disease cause lesions that deform the sea stars and eventually causes them to disintegrate into a white mush. Disease nearly wipes out Haystack Rock sea stars 2014-10-01T04:00:00Z Last fall, Miner, Raimondi and a team of scientists published new research linking a variety of densovirus to sea star wasting disease. New sea star babies offer hope amid mass deaths in Pacific 2015-05-04T04:00:00Z In fact, divers enlisted to monitor sea stars report places once home to thousands of the creatures now are often home to just five or six. Virus may be cause of epidemic killing millions of sea stars 2014-11-17T05:00:00Z To confirm that initial finding, the team added viruses from diseased sea-star tissue to tanks of healthy sea stars. First clues found in mysterious sea star die-off 2014-11-16T05:00:00Z Where other die-offs had slowed down when the waters cooled, this time, the sea stars kept dying through the winter of 2013-2014. In search of the starfish killer: The quest to save the original keystone species 2014-11-18T05:00:00Z In mid-September, for example, Rep. Denny Heck, D-Washington, introduced the Marine Disease Emergency Act to Congress,with the goal of creating a national response strategy to sea star wasting syndrome and future marine disease emergencies. The Pacific Starfish Die-Off Continues, but There Is New Hope They are tracking whether baby sea stars survive and what happens when a key predator of urchins, mussels and other species is lost. New sea star babies offer hope amid mass deaths in Pacific 2015-05-04T04:00:00Z Hewson even visited museums and took tissue samples from sea stars collected over decades and found evidence of the virus dating back to 1942. Virus may be cause of epidemic killing millions of sea stars 2014-11-17T05:00:00Z A virus is the likely culprit in a massive, ongoing die-off of sea stars along the Pacific Coast of North America, researchers report on 17 November in the Proceedings of the National Academy of Sciences1. First clues found in mysterious sea star die-off 2014-11-16T05:00:00Z "We lost the majority of sea stars at the Seattle Aquarium." In search of the starfish killer: The quest to save the original keystone species 2014-11-18T05:00:00Z Remains of millions of dead and dying sea stars, commonly known as starfish, litter the shoreline from Vancouver to San Diego. The Pacific Starfish Die-Off Continues, but There Is New Hope Normally, sea stars reduce the population to “very low numbers” at this time of year but this isn’t happening, he said. Signs of sea-star recovery in California but not in NW 2014-08-26T04:00:00Z In a few isolated spots, perhaps half a dozen, baby sea stars again are starting to grow, sometimes in very large numbers. Virus may be cause of epidemic killing millions of sea stars 2014-11-17T05:00:00Z But the disease has spread rapidly to several sites along the Pacific coast, decimating populations of about 20 species of sea star. First clues found in mysterious sea star die-off 2014-11-16T05:00:00Z In sea stars, dropping an arm is a common response to injury, but in this disease, it appears to be linked to the lesions. In search of the starfish killer: The quest to save the original keystone species 2014-11-18T05:00:00Z A team of eight pathologists, led by Alisa Newton of the Wildlife Conservation Society, closely examined slides of tissues harvested from dead or dying sea stars from both aquariums and the wild. The Pacific Starfish Die-Off Continues, but There Is New Hope The lack of sea stars already is starting to change the outlook of the ecosystem. Signs of sea-star recovery in California but not in NW 2014-08-26T04:00:00Z Did the virus mutate from something relatively benign as the abundance of its sea star hosts skyrocketed — a sort-of natural check on sea star populations? Virus may be cause of epidemic killing millions of sea stars 2014-11-17T05:00:00Z At Channel Islands National Park in southern California, biologists have been monitoring sea stars for more than 30 years. First clues found in mysterious sea star die-off 2014-11-16T05:00:00Z A nerve ring — around the mouth — in the body of the sea star connects to the radial nerves, which run down each arm. In search of the starfish killer: The quest to save the original keystone species 2014-11-18T05:00:00Z And shorelines that used to be dotted with sea stars and other species are now blanketed with barnacles growing with abandon, a sign of the loss of biodiversity on the coast. The Pacific Starfish Die-Off Continues, but There Is New Hope Scientists are documenting the disease and its impact on the number of sea stars in the intertidal ecosystem. Signs of sea-star recovery in California but not in NW 2014-08-26T04:00:00Z The areas where sea stars first began dying was close to shore, where marine temperatures weren’t extraordinary high. Virus may be cause of epidemic killing millions of sea stars 2014-11-17T05:00:00Z Affected sea stars typically first contort and twist, and white lesions appear on their bodies. Scientists scramble to find out why sea stars are wasting away 2014-06-29T04:00:00Z Using material from the blender that had been filtered to exclude all but virus-sized particles, they began inoculating healthy sea stars. In search of the starfish killer: The quest to save the original keystone species 2014-11-18T05:00:00Z The disease tends to progress from no outward signs to behavior changes in which the sea stars cross their arms and seem to collapse on themselves. Sea Stars Are Wasting Away 2014-06-10T04:00:00Z As the name suggests, populations of sea stars waste away within weeks. Signs of sea-star recovery in California but not in NW 2014-08-26T04:00:00Z “It’s very serious. Some of the sea stars most heavily affected are keystone predators that influence the whole diversity of life in the intertidal zone,” Menge said. Disease hitting nearly half of sea stars on Oregon Coast 2014-06-05T04:00:00Z One bright light is the large number of young sea stars burgeoning this year. Scientists scramble to find out why sea stars are wasting away 2014-06-29T04:00:00Z The healthy stars that were inoculated began to display symptoms of sea star wasting disease; if the material was boiled before the sea stars were exposed, they didn’t get sick. In search of the starfish killer: The quest to save the original keystone species 2014-11-18T05:00:00Z In addition to leaving a void in a finely tuned ecosystem, the loss of sea stars would also disrupt a seeming iconic shoreline organism. Sea Stars Are Wasting Away 2014-06-10T04:00:00Z A mysterious disease that causes sea stars to disintegrate is exploding on the Oregon coast. AP- OR—Oregon News Digest,ADVISORY 2014-06-04T04:00:00Z Woodward recounted a similar circumstance on the return trip that involved pulling up crab and sea stars in crab pots. Ketchikan students learn sea skills 2014-05-25T04:00:00Z So whether temperature is involved in the sea stars’ plague is not yet clear. Scientists scramble to find out why sea stars are wasting away 2014-06-29T04:00:00Z But the same virus destroying the sea stars now was also present in samples of healthy sea stars held in museum collections from 1942 — meaning it’s been around for at least 72 years. In search of the starfish killer: The quest to save the original keystone species 2014-11-18T05:00:00Z The current outbreak of sea star wasting syndrome was first reported in June 2013 along the coast of Washington by researchers from Olympic National Park. Sea Stars Are Wasting Away 2014-06-10T04:00:00Z This past summer, a mysterious disease began to spread among sea stars on the west coast of North America, reaching... White House Science Adviser Says Congress Should Protect NSF, Reject FIRST Act 2014-05-01T07:45:00Z “The kids started asking all these questions about sea stars while they are physically holding the animals,” he said. Ketchikan students learn sea skills 2014-05-25T04:00:00Z The seawall full of sea stars near his home were doing OK, despite the dire reports he was hearing all around him. Scientists scramble to find out why sea stars are wasting away 2014-06-29T04:00:00Z Because, of course, sea stars are echinoderms, not fish. In search of the starfish killer: The quest to save the original keystone species 2014-11-18T05:00:00Z By eating mussels on the low shores in Oregon, sea stars keep those populations in check so the bivalves don't explode in numbers, at the expense of other organisms. Sea Stars Are Wasting Away 2014-06-10T04:00:00Z Living in the Vancouver Aquarium, this sea star was exhibiting symptoms similar to the early stages of the mysterious wasting outbreak observed in nearby waters. Sea stars are wasting away in larger numbers on a wider scale in two oceans 2013-11-22T14:03:24Z “We just started looking,” Miner says. ”If this is affecting sea stars up and down the coast, we’ve never seen anything like that before.” The Mystery of the Melting Starfish 2013-11-05T16:35:28Z The smell of rotting flesh filled the cove along a jetty, and sea stars dripped from the rocks, in a slow-motion fall to their deaths. Scientists scramble to find out why sea stars are wasting away 2014-06-29T04:00:00Z By the end of the day, I find myself saying "sea star" more and "starfish" less. In search of the starfish killer: The quest to save the original keystone species 2014-11-18T05:00:00Z Also, with the decreasing number of abalone, secondary predators such as sea stars and sea lions that rely upon them as a source of food will be forced to find other prey or starve. Southern California and Endangered Abalone Populations 2013-07-04T15:45:00.487Z A mysterious illness is turning sea stars to goo: Formerly known as starfish, sea stars are being wiped out on a wide scale by a wasting disease. Sea stars are wasting away in larger numbers on a wider scale in two oceans 2013-11-22T14:03:24Z While starfish—which scientists call sea stars to avoid the misconception that they are actually fish—often recover from the lesions, infections on the West Coast are proving lethal. The Mystery of the Melting Starfish 2013-11-05T16:35:28Z “It’s just melting,” Pyne said of a purple sea star disintegrating before her eyes. Scientists scramble to find out why sea stars are wasting away 2014-06-29T04:00:00Z The few sea stars we do find are nestled into crannies and cracks on the rocks. In search of the starfish killer: The quest to save the original keystone species 2014-11-18T05:00:00Z Sea cucumbers are echinoderms like sea stars, and they specialize in roving the abyssal plains of the world, harvesting food from the sediment with their feeding appendages. What Lives at the Bottom of the Mariana Trench? More Than You Might Think 2013-04-15T00:15:05.547Z Here, sunflower sea stars off the coast of British Columbia are pictured in various stages of life and death. Sea stars are wasting away in larger numbers on a wider scale in two oceans 2013-11-22T14:03:24Z “When Bob removed the sea star and got an explosion of mussels, those mussels were coming from somewhere else,” he says. The Man Whose Dynasty Changed Ecology 2013-01-16T18:15:00.270Z Populations of sea star were so dense he says he was not surprised to see a correction. Scientists scramble to find out why sea stars are wasting away 2014-06-29T04:00:00Z The animals simply release their eggs and sperm into the water, a process known as broadcast spawning; before this happens, their gonads may account for 40 percent of the sea star’s weight. In search of the starfish killer: The quest to save the original keystone species 2014-11-18T05:00:00Z You may know that echinoderms — like sea stars, sea cucumbers, and sea pigs — are the group of animals most closely related to our own group, the chordates, animals with a dorsal nerve cord. What Lives at the Bottom of the Mariana Trench? More Than You Might Think 2013-04-15T00:15:05.547Z This time lapse shows a quarantined sea star over a seven-hour period. Sea stars are wasting away in larger numbers on a wider scale in two oceans 2013-11-22T14:03:24Z The ochre sea star, however, has five sucker-lined arms and can span half a meter. The Man Whose Dynasty Changed Ecology 2013-01-16T18:15:00.270Z “It’s a complete decline of sea stars at all of our dive sites and beaches,” James said. Scientists scramble to find out why sea stars are wasting away 2014-06-29T04:00:00Z There’s a slight delay between spawning and seeing baby sea stars, though. In search of the starfish killer: The quest to save the original keystone species 2014-11-18T05:00:00Z The group's findings were published online in July in Proceedings of the Royal Society B. The two sea stars' common ancestor was likely a broadcast fertilizer like C. pentagona, Grosberg says. See Change: Rapid Emergence of New Sea Star Species Illustrates Evolution's Power 2012-08-10T15:45:02.653Z Dying sea stars: Sea star wasting syndrome is devastating populations of the creatures. Sea stars are wasting away in larger numbers on a wider scale in two oceans 2013-11-22T14:03:24Z When a small group of sea star larvae got swept away from their parents off the coast of Australia thousands of years ago, they proved more resourceful than Tom Hanks in Cast Away. ScienceShot: Evolution in a Jiffy 2012-07-18T00:01:00Z School groups are even allowed to wade into tide pools to look for sea anemones and knobbly sea stars. Refuse Collects Here, but Visitors and Wildlife Can Breathe Free 2011-08-15T18:41:41Z After the sperm and eggs meet in the ocean, the sea star larvae are microscopic, measuring less than a millimeter in length. In search of the starfish killer: The quest to save the original keystone species 2014-11-18T05:00:00Z Two sea star species thrive beneath waves off the coast of Australia. See Change: Rapid Emergence of New Sea Star Species Illustrates Evolution's Power 2012-08-10T15:45:02.653Z Marine scientists say the sea stars are under attack by an unknown wasting disease that turns their bodies to goo, and the results are gruesome, nasty and grisly. Sea stars are wasting away in larger numbers on a wider scale in two oceans 2013-11-22T14:03:24Z Then he would duck for a moment, to reappear with a snake's tooth, a sea star, or the skeleton of a fish. The Underdogs, a Story of the Mexican Revolution Acidification has been shown to slow sea stars’ growth, suggesting it stresses the animals. In search of the starfish killer: The quest to save the original keystone species 2014-11-18T05:00:00Z Not only were some of the sick sea stars testing negative for the virus, some of the healthy ones were testing positive. In search of the starfish killer: The quest to save the original keystone species 2014-11-18T05:00:00Z Both are cushion stars—a group of slightly plump sea stars—and both are colored light green with hints of slate blue. See Change: Rapid Emergence of New Sea Star Species Illustrates Evolution's Power 2012-08-10T15:45:02.653Z Formerly known as starfish — a term scientists rejected because they’re more like a sea urchin than a fish — sea stars have been killed by disease several times over the past few decades. Sea stars are wasting away in larger numbers on a wider scale in two oceans 2013-11-22T14:03:24Z The numbers of sea stars were steady overall, she writes. In search of the starfish killer: The quest to save the original keystone species 2014-11-18T05:00:00Z Pycnopodia move at the relatively rapid pace of 3 feet per minute, keeping urchins in check, along with clams, abalone, snails, and other sea stars. In search of the starfish killer: The quest to save the original keystone species 2014-11-18T05:00:00Z What they did see was that the bacteria there are the same that occur in healthy sea stars, there’s just more of them. In search of the starfish killer: The quest to save the original keystone species 2014-11-18T05:00:00Z To understand the sea stars' example, a team of researchers in Australia, Canada and the U.S. analyzed genes in the two species' nuclear and mitochondrial DNA to discover how recently the sea stars diverged. See Change: Rapid Emergence of New Sea Star Species Illustrates Evolution's Power 2012-08-10T15:45:02.653Z All along the Pacific coast, sea stars are experiencing their largest known die-off, which is affecting more species of sea stars than any other attack in recent memory, biologists said. Sea stars are wasting away in larger numbers on a wider scale in two oceans 2013-11-22T14:03:24Z Tough though they might be, the gulf sea stars were quickly overwhelmed. In search of the starfish killer: The quest to save the original keystone species 2014-11-18T05:00:00Z The results were grim: about 40 percent of the sea stars under the aquarium’s pier were sick. In search of the starfish killer: The quest to save the original keystone species 2014-11-18T05:00:00Z There are some clues the virus may be affecting the sea stars’ immune system, by affecting a type of cell in the animal that ordinarily engulfs and consumes bacteria, Hewson says. In search of the starfish killer: The quest to save the original keystone species 2014-11-18T05:00:00Z Still, the two sea star species would win in an evolutionary race, at least among . See Change: Rapid Emergence of New Sea Star Species Illustrates Evolution's Power 2012-08-10T15:45:02.653Z Divers have previously reported mass sea star deaths in warmer waters south of Santa Barbara, Calif., but not in waters as cool as those of Washington’s Puget Sound. Sea stars are wasting away in larger numbers on a wider scale in two oceans 2013-11-22T14:03:24Z An abundance of sea star hosts makes it easier for a virus to spread, since the animals are more likely to come in contact with each other. In search of the starfish killer: The quest to save the original keystone species 2014-11-18T05:00:00Z Even if the sea stars aren’t spreading it among themselves, they may still catch it from their prey. In search of the starfish killer: The quest to save the original keystone species 2014-11-18T05:00:00Z Observations suggest that daytime low tides during periods with lots of sunlight seem to make it easier for sea star wasting disease to spread. In search of the starfish killer: The quest to save the original keystone species 2014-11-18T05:00:00Z As surprising as the sea stars may be, evolutionary theory does predict such rapid speciation, Coyne says. See Change: Rapid Emergence of New Sea Star Species Illustrates Evolution's Power 2012-08-10T15:45:02.653Z The numbers are down a little from spring, only 18 sea stars this time. In search of the starfish killer: The quest to save the original keystone species 2014-11-18T05:00:00Z "This is a proxy and a parable for what else can happen. If it’s happening to sea stars, it’s probably having other effects elsewhere." In search of the starfish killer: The quest to save the original keystone species 2014-11-18T05:00:00Z No one’s rude about it, but the marine biologists refer to the starfish exclusively as sea stars. In search of the starfish killer: The quest to save the original keystone species 2014-11-18T05:00:00Z The die-off is Paine’s experiment writ large: here is what the Pacific Coast looks like without sea stars. In search of the starfish killer: The quest to save the original keystone species 2014-11-18T05:00:00Z They gently make a point of saying "sea stars," right after I have called the animals starfish. In search of the starfish killer: The quest to save the original keystone species 2014-11-18T05:00:00Z Lahner began euthanizing the sickest animals — though some do recover from small lesions, once a sea star has lost several arms and parts of its gut are eviscerating, there’s no hope left. In search of the starfish killer: The quest to save the original keystone species 2014-11-18T05:00:00Z "We kept Fed-Ex in business with dead stinking packages of sea stars," he said. In search of the starfish killer: The quest to save the original keystone species 2014-11-18T05:00:00Z That may create conditions where the bacteria that are ordinarily benign can compromise the sea stars. In search of the starfish killer: The quest to save the original keystone species 2014-11-18T05:00:00Z The sunflower sea star, Pycnopodia helianthoides, is often bright pink or purple and lives in the intertidal zone; it’s another keystone species, and an even more bloodthirsty predator. In search of the starfish killer: The quest to save the original keystone species 2014-11-18T05:00:00Z Lahner took sea stars that were disintegrating at 54 degrees Fahrenheit and cooled their water to 50 degrees. In search of the starfish killer: The quest to save the original keystone species 2014-11-18T05:00:00Z |
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