Campostoma ornatum
Campostoma ornatum Girard, 1856
Mexican stoneroller
photo by The Native Fish Conservancy


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Family:  Leuciscidae (Minnows), subfamily: Pogonichthyinae
Max. size:  16 cm TL (male/unsexed)
Environment:  benthopelagic; freshwater
Distribution:  North America: Rio Grande system of Big Bend region in southern Texas, USA; Rucker Canyon and Leslie Creek in extreme southeastern Arizona, USA. Widespread in northern Mexico.
Diagnosis:   
Biology:  Adults inhabit rocky riffles and adjacent pools of headwaters and creeks (Ref. 86798). Herbivorous, bottom feeder (Contreras-Balderas 1974) feeding mainly on diatoms, bacteria and algae (Ref. 79012). Migratory behaviour is undetermined (Ref. 126106).
IUCN Red List Status: Least Concern (LC); Date assessed: 11 October 2018 Ref. (130435)
Threat to humans:  harmless


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