Scientific Name
                        Thoburnia atripinnis
                        
                        
                        Common Name
                        Blackfin sucker
                        
                        
                        Biology
                        Inhabits rocky pools and adjacent riffles of creeks and small rivers.  Hides in bedrock crevices, near boulders or under shoreline brush (Ref. 5723, 10294).  Feeds on midge larvae, microcrustacea and occasional larger insect larvae (Ref. 10294).