With preys so stupid, preditors don't need to be geniuses.

猎物如此低能，猎手也无需太过聪明。

But its low back was covered in short - spines and some tough scales, helping it ward off preditors such as the small dinosaurs that share its habitat.

但是它的下背部被短短的绒毛覆盖，它还有脊椎和坚硬的鳞片，帮助防御栖息地内的掠食者，比如恐龙。