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crawfish |
another form of crayfish. |
crayfish |
a small animal with a hard, jointed shell that lives in fresh water. Crayfish are crustaceans and are closely related to lobsters. |
crustacean |
an animal with a hard, jointed shell. Crustaceans live in fresh or salt water. There are many kinds of crustaceans, including crabs, crayfish, lobsters, and shrimps. Crustaceans are kinds of arthropods. |
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