Scientists discover new hormone in the eyestalks of blue crabs responsible for forming body parts that make it possible for female crabs to mate and raise young. Those two crooked beady eyes peeking ...

Hermit crabs are social creatures that can make great family pets. Hermit crabs live on land and use empty shells for protection. If you take proper care of them, a hermit crab can be your companion ...

The fiddler crab has one small claw and one big ol' one. Why? All the better to woo the lady crabs and throw down with the dude crabs. And this big crab's like, No, check yourself. And this other big ...