SUCKER FAMILY (Catostomidae) 



Key to the three members of the sucker family found in Maine 



1. Lateral line absent; body oblong; mouth subinferior; color pattern 

 of dusky, narrow vertical bars in adult 



Creek Chubsucker 



Eriinyz.(>n ohlongus 

 (Mitchill) 



p. 58 



Lateral line present; body round; mouth inferior and definitely ven- 

 tral; dusky, narrow vertical bars absent 2 



2. Scales large, less than 80 in the lateral line; snout not pointed 



White Sucker 



Catostoinus 

 commersoni 



(Lacepede) 



p. 59 



Scales small, more than 80 in the lateral line; snout pointed, ex- 

 tending considerably beyond the mouth 



Longnose Sucker 



Catostomus 



catostoinus 



(Forster) 



p. 60 



57 



