- Sea anemones: These colorful cnidarians use their tentacles to capture food and defend themselves.
- Barnacles: These small crustaceans attach themselves to rocks and other hard surfaces, and use their jointed legs to filter food particles from the water.
- Mussels: These bivalves are filter feeders that use their shells to protect themselves from predators.
- Oysters: These bivalves are also filter feeders, and their shells are used to make jewelry and other decorative items.
- Crabs: These crustaceans have jointed legs and claws that they use to catch food and defend themselves.
- Shrimp: These crustaceans have long antennae and tails that they use to swim and catch food.
- Fish: A wide variety of fish live in the littoral zone, including flounder, sea bass, and mackerel.
- Marine mammals: Some marine mammals, such as seals and sea lions, spend time in the littoral zone to rest and feed.