Dark gray to black on the back, with bright silvery sides and white belly. The sides have dark stripes or lines (about 5 are above the lateral line). There are 13 or 14 rays in the dorsal fin, and 11 to 13 in the anal fin. Body strongly compressed from side to side, forehead is dished and snout is slightly turned up. Found in Lahontan Reservoir, Rye Patch Reservoir and Washoe Lake.