Catching a giant isopod on the move is treat! Food is usually scarce in the cold, deep-sea natural habitat of these animals, so giant isopods are always in a state of semi-hibernation. This behavior allows them to limit the use of energy needed for movement and breathing and go long periods of time without eating. Once the opportunity to feast presents itself, giant isopods gorge themselves to the point where they have trouble moving around. | Shedd Aquarium

Meet the giant isopod. The largest—and one of the most mysterious—of the isopods, a group of crustaceans. It can grow up to 40 centimeters long! Discovered back in 1879, this bizarre creature still holds many secrets, as scientists have yet to fully study its biology and behavior. Living in the extreme depths of the deep sea, more than 1,600 feet (500m) below the surface, the giant isopod thrives in total darkness. Down here, where sunlight is almost non-existent, it’s all about scavenging for a