Campostoma anomalum (Rafinesque, 1820)
Central stoneroller
photo by Crippen, C.

Family:  Leuciscidae (Minnows), subfamily: Pogonichthyinae
Max. size:  22 cm TL (male/unsexed)
Environment:  benthopelagic; freshwater
Distribution:  North America: widespread across most of eastern and central U.S. in Atlantic, Great Lakes, Mississippi River, Hudson Bay (Red River) basins from New York and Ontario to North Dakota and Wyoming, and south to Georgia, Louisiana, and Texas (but absent from most of lower Ohio River basin}; Gulf Slope drainages of Texas. Also in Rio San Juan basin, Mexico.
Diagnosis:   
Biology:  Inhabits rocky riffles, runs, and pools of headwaters, creeks, and small to large rivers (Ref. 5723, 86798). Subadults and adults feed on detritus, filamentous algae, diatoms and occasionally on small aquatic insects; young on rotifers and microcrustacea (Ref. 10294). Reported maximum length is 17 cm TL (Ref. 86798).
IUCN Red List Status: Least Concern (LC); Date assessed: 08 October 2018 Ref. (130435)
Threat to humans:  harmless


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