Chunky, short-headed, smooth-skinned species with prickles restricted to a small area behind the pectoral fin). Has a lateral line that is usually incomplete (22-34 lateral line pores). 11-13 anal rays, 15-18 rays in the second dorsal fin, 12-15 pectoral rays, and 4 pelvic rays. For further information see McPhail (2007). (Source: McPhail, J. D. 2007. The Freshwater Fishes of British Columbia. The University of Alberta Press. 620 p.)
Source: McPail, J. D. 2008. The Freshwater Fishes of British Columbia. University of Alberta Press, Edmonton.