Animals, Dual Sex


 * Atlantic slipper shell
 * barnacle
 * cleaner fish
 * cottony-cushion scale insect
 * earthworm
 * European flat oyster
 * land snail
 * liver fluke
 * parasitic wasp
 * sea bass
 * sea hare
 * sea squirt
 * shipworm
 * spoonworm
 * Animals, Marine
 * barracuda
 * cetacean
 * conch
 * crab
 * crustacean
 * dolphin
 * dugong
 * elephant seal
 * fish
 * fur seal
 * harbor seal
 * jellyfish
 * lobster
 * manatee
 * mussel
 * octopus or octopod
 * otter
 * oyster
 * phocid
 * pinniped
 * porpoise
 * sand dollar
 * sea calf
 * sea cow
 * sea dog
 * sea elephant
 * sea horse
 * sea lion
 * sea urchin
 * seal
 * shark
 * shellfish
 * shrimp
 * sirenian
 * sponge
 * squid
 * starfish
 * walrus
 * whale