crayfish

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crayfish

a decapod crustacean (suborder Macrura) that possesses an elongate body of the CARIDOID FACIES type.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
References in periodicals archive ?
He read aloud the beginning of the Wikipedia entry for crawfish: "Crayfish, crawfish, or crawdads members of the superfamilies Astacoidea and Parastacoidea are freshwater crustaceans resembling small lobsters, to which they are related."
Gastrolith growth during proecdysis in crayfish, Faxonella clypeata (Hay, 1899) (Decapoda, Astacoidea).