Whitefish Coregonus clupeiformis
Public domain picture from U.S. National Oceanic and Atmospheric Administration [full size image 1.5MB]
This includes the lake white fish (coregonus clupeaformis), round whitefish (Coregonus cylindraceum) also known as frostfish, cisco or lake herring (Coregonus artedii). Lake whitefish may reach 22 inches and 4 lbs.