amphipods, freshwater mussel, killifish, sticklebacks, goldeneyes, comb jelly, rotifer, brook trout, cohos, brookie, phalaropes, embayment, lampreys, copepods, shovelnose, stonefly, hooded merganser, landlocked salmon, planktonic, trematode, chain pickerel, toxoplasma, sculpins, atlantic croaker, insectivores, eelgrass, prokaryote, ocean sunfish, chinooks, diatom, rainbow smelt, dusky shark, gobies, eukaryote, brown trout, brown bullhead, periodical cicada, guillemots, bryozoans, mudflat, murres, massasauga, lesser scaup, ruffe, redpoll, golden shiner, sandbar shark, endosymbiosis, bowfin, bullheads, auks, protozoan, squawfish, redbreast, ciliates, meadow vole, togue, springtails, scoters, tadpole shrimp, mosquitofish, zebra mussel, anal fin, burbot, northern snakehead, aedes albopictus, lamprey eel, flatfishes, ivory gull, isopod, daphnia, alewives, fulmar, biting midge, subadult, pipefish, culex, turnstones, belugas, vibrio, sturgeons, oncorhynchus, shearwater, jaegers, nematode worm, elvers, purple gallinule, anaerobes, godwits, magicicada, passerines, tetrahymena, mytilus, pteropods, planktonic algae, emerald shiner, tursiops, muskellunge, parasite, beaked whale, harbor porpoise, opossum shrimp, baboons, barnacle, bigeye, bluefish, capelin, chimpanzees, cod, diabetics, dogfish, dolphins, eels, ferrets, goldfish, groundfish, guppies, haddock, halibut, herring, krill