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pupfish definition

☆ pup·fish (pup′fis̸h′)

noun pl. pupfish -·fish′, pupfishes -·fish′es

any of several small, nearly extinct killifishes (genus Cyprinodon) found in desert springs of W North America

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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