Pelagic dragons have a head similar to that of a Lycaenops, but with a feathered crest. The torso is like that of a crocodile, with scutes. The limbs are flippers, similar to those of a dolphin. And finally, the tail is basically one big tentacle with hooks, used to fight off predators. Pelagic dragons are massive, at a staggering 205 feet long.
Up to 80% of this creature's diet consists of whalshrimp, the rest is other predators.