There’s only one freshwater hermit crab ... Sometimes when a new shell turns up, hermit crabs will form a line, biggest to smallest, to see which animal fits the new shell.

Not many creatures on Earth can pull off keeping a pride of curious lions at bay. But lions don’t want to get their soft ...

The giant freshwater stingray may be the world’s largest freshwater fish ... Stingrays locate prey, usually clams and crabs, with sensors located around their mouth that can detect an animal ...