THESAURUS
plankton
Iceland moss, Irish moss, Loch Ness monster, alevin, benthon, benthos, brown algae, cetacean, conferva, dolphin, dulse, fingerling, fish, fry, fucoid, fucus, game fish, green algae, grilse, gulfweed, kelp, kipper, lichen, man-eater, man-eating shark, marine animal, minnow, minny, nekton, panfish, phytoplankton, pond scum, porpoise, red algae, reindeer moss, rockweed, salmon, sargasso, sargassum, scum, sea monster, sea moss, sea pig, sea serpent, sea snake, sea wrack, seaweed, shark, smolt, sponge, tropical fish, whale, wrack