It may come as little surprise that these unusual creatures have a few biological eccentricities – they see through tiny “eyespots” at the tip of each arm, for example. But their eating habits qualify as downright grotesque. To consume a mussel or clam, the five-pointed critter pries the shell open slightly, ejects its stomach from its mouth into the shell, digests the animal, then slides its stomach back into its own body.
10 scary facts behind the world’s most adorable animals
They may look harmless, but these cute creatures have a dark side.
Starfish have ghoulish eating habits