Ключевые слова: animals, aquarium, arthropoda, arthropods, basin, carapace, chitin, chitinous, claws, comestible, crab, crayfish, crustacea, crustaceans, delicious, edible, environmentally, exoskeleton, feelers, glass, grocery, group, hypermarket, krill, lake, live, lobster, many, move, muddy, ocean, pincers, pond, river, sea, seafood, shell, shrimp, swim, tentacle, troubled, water, water reservoir, wild, wildlife,