Scientific Name
                        Catostomus commersonii
                        
                        
                        Common Name
                        White sucker
                        
                        
                        Biology
                        Inhabits a wide range of habitats, from rocky pools and riffles of headwaters to large lakes.  Usually occurs in small, clear, cool creeks and small to medium rivers.  May be found at a depth greater than 45 m (Ref. 1998).  Moves to shallower water near sunrise and sunset to feed.  Fry (1.2 cm in length) feed on plankton and other small invertebrates; bottom feeding commences upon reaching a length of 1.6-1.8 cm.  Preyed upon by birds, fishes, lamprey, and mammals (Ref. 1998).  Flesh is white, flaky, and sweet (Ref. 1998).