Animals that live in the littoral zone have a wide variety of predators who eat them. When the tide is out, they are preyed upon by land animals, like foxes and people. Bivalves Bivalves are soft-bodied animals that are protected by two hard shells, hinged together. Scallops, oysters and clams are bivalves. A small fish with a three-part dorsal fin.
Many blennies live in littoral zones.
Brittle Star A bottom-dwelling marine invertebrate with long, spiny arms. Clam Burrowing bivalves with a soft body. Crab A crab is an animal with a shell. It has eyes on stalks on its head. The horseshoe crab is a hard-shelled animal that lives in warm coastal waters on the sea floor.