NOTE: The leatherside chubs in this article have been split into two species, northern leatherside chub, Lepidomeda copei, and southern leatherside chub, Lepidomeda aliciae (Johnson et al. 2004, Page et al. 2013). Snyderichthys copei is no longer used. The leatherside chub, Snyderichthys copei is a cyprinid fish of western North America.This is a small fish, reported at up to 15 cm (6 in) in length, but more typically half that.