Erimystax dissimilis (Kirtland, 1840)
Streamline chub
Erimystax dissimilis
photo by The Native Fish Conservancy

Family:  Leuciscidae (Minnows), subfamily: Pogonichthyinae
Max. size:  14 cm TL (male/unsexed)
Environment:  demersal; freshwater
Distribution:  North America: Ohio River basin from western New York to northern Indiana and south to northern Alabama, USA; single record from Lake Erie in Ohio.
Biology:  Inhabits riffles, runs, and current-swept pools over gravel and rubble in clear small to large rivers (Ref. 86798). Feeds on periphyton and a wide variety of aquatic insect larvae, especially midges, mayflies, and caddisflies (Ref. 10294).
IUCN Red List Status: Least Concern (LC); Date assessed: 30 November 2011 Ref. (130435)
Threat to humans:  harmless

Source and more info: For personal, classroom, and other internal use only. Not for publication.