It's a shrimp-like animal called the stomatopod, and here's how it moves on the beaches of Panama: it actually rolls, and it can even roll uphill.
这个像小虾的动物被称为口脚类动物， 这里是它如何在巴拿马的海滩上移动的： 它其实在滚动，而且竟然还能向上滚。