Occurs in lakes, ponds and occasionally in runs of small to large rivers. Feeds on fishes, terrestrial insects, plankton, aquatic insect larvae, and crustaceans while inshore; feeds mostly on fishes while offshore (Ref. 1998). Male Pikeminnows, Prickly Sculpins, and newts prey on the eggs (Ref. 1998).
. Page, L.M. and B.M. Burr 1991 A field guide to freshwater fishes of North America north of Mexico. Houghton Mifflin Company, Boston. 432 p.