These carnivorous scavengers demonstrate deep-sea gigantism, measuring up to 2.5 feet. One hypothesis for their size is that they have grown to withstand the pressure from the depths of the sea; another is that they have very few predators. They are, in fact, extremely robust due to their hard carapace and a slow metabolism, which means they can go long periods of time without eating. This is useful for a species that depends on the remains of crab flesh and marine worms to “snow” down to the bottom of the sea in order to feed. Their long antennae is a sensory organ, allowing them to move despite the darkness.They have been known to attack sharks and fisherman’s catches, chewing through fish or feeding on commercial mussel beds. As a creature of the deep, the Giant isopod has to make do with whatever comes along...