OCEAN ANIMALS Animals live in the oceans with different conditions. Some marine biomes are: benthic, pelagic, coral reef, littoral or inertial areas, and estuarine biomes (where rivers meet oceans), etc. Some Ocean Animals are as follows: conch great white shark jellyfish horseshoe crab lobster octopus orca (killer whale) scallop sea cucumber seahorse sea star (starfish) sea urchin squid swordfish