It lived during the Late Devonian period, about 400 million years ago. Eels Information and printouts on these primitive fish that go through metamorphosis. A fish that can generate electricity. Elephant Seal, Northern The Northern Elephant Seal is a huge seal that lives in the northern Pacific Ocean. Fin Whale A huge baleen whale that is the second-largest animal on Earth.
Fish Fish live in the water and breathe with gills.
Fish Anatomy Fish live in the water and breathe using gills. A large predator found near islands in warm water. Giant Squid Giant Squid swim deep in the oceans. They have ten arms and their eyes are the size of basketballs. A large predatory fish with a hammer-shaped head.