Animal life from the topmost to the lowest oceanic zone ranges from sharks and other fish to deep-sea squid and echinoderms such as the sea pig and sea cucumber. The oceanic or pelagic zone has every form of animal life ... More »

Some organisms that live within the littoral zone include the sea anemone, the horseshoe crab and the black-faced blenny. Many species of crustaceans, mollusks, fish and other organisms dwell in the littoral zone, which ... More »

Octopus, fish, echinoids, worms, squid and mollusks live in the abyssal zone, which begins at about 13,000 feet below sea level. Most of the organisms there have small bones, soft bodies, big mouths and long teeth. Few a... More »

There are many different animals that live in saltwater including crocodiles, turtles, manatees, fish and sharks. Some of the fish species that live in a saltwater environment include the Achilles Tang, the Angelfish, th... More »

Some of the animals that live in the photic zone, also called the epipelagic or sunlight zone, include fish, dolphins, whales, seals and sharks. Zooplankton, which are tiny floating creatures, are also found in this zone... More »

Aquatic animals, such as sharks and seals, live in the sunlight zone. Other animals that live in the zone include jellyfish and rays. More »

The sublittoral zone is home to anemones, crabs, sea stars and coral. The sublittoral zone is another name for the deepest region of the intertidal zone. More »