States/Provinces Summary
Gymnocephalus cernua  in Ontario, Canada
Main ref. (3814). Robins, C.R., R.M. Bailey, C.E. Bond, J.R. Brooker, E.A. Lachner, R.N. Lea and W.B. Scott, 1991. Common and scientific names of fishes from the United States and Canada. Am. Fish. Soc. Spec. Publ. (20):183 p. 
Status: introduced 
Abundance:  
Comments: Also Ref. 52559. 
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