Mylopharodon conocephalus

Hardhead
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Cypriniformes
Family:	Cyprinidae
Genus:	Mylopharodon Ayres, 1855
Species:	M. conocephalus
Binomial name
Mylopharodon conocephalus (S. F. Baird & Girard, 1854)

The hardhead, Mylopharodon conocephalus, is a cyprinid fish native to California, it is the sole member of its genus. Hardhead are found in both small to large streams in low to mid-elevations. Hardhead may also inhabit reservoirs and lakes. Hardhead are omnivores at all ages although the juvenile and adult fish have a different diet and tooth structures. These fish will eat aquatic plants, benthic invertebrates, algae and insects. As adults, hardheads may live up to 9 or 10 years.

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Wikipedia