Tailless scorpions or Amblypygi live mainly in caves.

无鞭蝎或叫鞭蛛主要生活在洞穴里。

It's an Amblypygi, an Arachnid somewhere between a spider and a scorpion.

这是一只鞭蛛属于蛛形纲，介乎蜘蛛和蝎子之间。