cavefish

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cave·fish

 (kāv′fĭsh′)
n. pl. cavefish or cave·fish·es
Any of various North American freshwater fishes of the family Amblyopsidae, found in subterranean waters and having rudimentary nonfunctioning eyes.

cavefish

(ˈkeɪvˌfɪʃ)
n, pl -fish or -fishes
(Animals) any of various small freshwater cyprinodont fishes of the genera Amblyopsis, Chologaster, etc, living in subterranean and other waters in S North America. See also blindfish
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References in periodicals archive ?
Cavefishes are important model organisms for the study of evolutionary biology.
Keywords: Olfactory epithelium, cavefishes, Sinocyclocheilus jii, Sinocyclocheilus furcodorsalis, rod cells, chloride cells.
Some of the cavefishes I've watched take a stroke with their pectoral fins and then glide for about a minute before they bother to take another stroke," says Elliott.