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stoneroller

[stohn-roh-ler]

noun

an American minnow, Campostoma anomalum, named from its habit of moving stones as it feeds.
any of several other minnows or suckers with similar habits, as Hypentelium nigricans.

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Origin of stoneroller

First recorded in 1795–1805; stone + roller1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for stone roller

stone roller

noun

a small silvery freshwater cyprinid fish, Campostoma anomalum, of the eastern US, having a narrow black stripe on the dorsal and anal fins

Word Origin for stone roller

C19: so called because it pushes stones about in building its nest
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012