From massive spider-like crabs that skitter across sandy ocean floors to small stomach-churning parasites ... you’ll discover the spine-chilling underwater world of the creepiest crustaceans ...

These two water fleas seem to be intertwined in an underwater ballet. However ... Biology in the background Water fleas are small crustaceans that live in both fresh and salt water. The species ...

But how much do we really know about the lives of these crustaceans? Despite their intriguing looks ... Collections of them are really quite small. 'They're a nice curiosity, but there aren't many ...

All isopods are characterized by hard, protective exoskeletons and seven pairs of legs, but they're usually incredibly small ... The crustacean is thought to live over 3,000 feet underwater ...