To land creatures like us, the ocean doesn’t seem like a great place to live. But the ocean is a whole world in itself, and to the creatures that live there, the ocean is home sweet home.
4:38 · Earth Science
Fish, sponges, sea anemones, and coral are among the many kinds of animals that inhabit the ocean. So are crustaceans, which are creatures that live in shells, such as crabs, shrimp, and lobsters. The mammals of the water include whales, dolphins, porpoises, otters, and manatees. They breathe air, like land animals, so they have to return to the surface to breathe.