Main Page | See live article | Alphabetical index Whitefish refers to several different species of fish in the coregonus family. Whitefish Coregonus clupeiformis This includes the lake whitefish (coregonus clupeaformis), round whitefish (Coregonus cylindraceum) also known as frostfish, cisco or lake herring (Coregonus artedii). Lake whitefish may reach 22 inches (56 cm) and 4 lbs (1.8 kg). See also White fish. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.