FISHES 117 



C. gulosus (Cuvier & Valenciennes). Warmouth (Fig. 51). Length 

 250 mm.; head 2.5; depth 2.25; color olive green, clouded with red or 

 blue, yellow below; sides sometimes with scattered dark spots; rays of 

 dorsal fin X, 9 or 10; anal III, 8 or 9; scales 6 or 7-40 to 46-11 or 12; 

 dorsal spines low: Great Lakes to the Carolinas, Georgia and Texas; 

 westward to Iowa and Kansas; common in the south. 



7. Enneacanthus Gill. Little sunfish. Body short and deep, 

 compressed, ovoid; mouth small; tongue toothless; opercle with 2 

 flat points on its margin; lateral line sometimes interrupted; supple- 

 mentary maxillary large; tail margin rounded behind : 2 species. 



Key to the Species of Enneacanthus 



ai Opercular spot more than half as large as the eye E. obesus. 



a2 Opercvilar spot less than half as large as the eye E. gloriosus. 



E. obesus (Baird). Length 75 mm.; head 2.6; depth 1.8; color 

 olivaceous, with 5 to 8 blackish cross bars; purplish or golden spots on 

 body and fins; a large black opercular spot; rays of dorsal fin IX, 

 10; anal III, 10; scales 4-32-10: Boston to Florida, coastwise; often 

 common in weedy streams. 



E. gloriosus (Holbrook). Length 70 mm.; head 2.75; depth 2.25; 

 color dark olive, with numerous small round blue spots which often 



a b 



Fig. 52. — Lower left pharyngeal of Lepomis pallidus: a, upper aspect; b, lateral aspect 



{from Fishes of Illinois) . 



form irregular cross stripes; opercular spot blue; rays of dorsal fin IX, 

 10; anal III, 9; scales 3-30-9; body comparatively elongate: New York 

 to Florida, in clear sluggish streams. 



8. Mesogonistius Gill. Body short, deep, compressed; mouth 

 small; supplementary maxillary small; opercle with 2 flat points; anal 

 fin much smaller than the dorsal; tail rounded behind: i species. 



M. chatodon (Baird). Black-banded sunfish. Length 100 mm.; 

 head 3; depth 1.6; color clouded straw-color, the sides with 6 to 8 

 conspicuous, irregular black vertical bars; a black opercular spot; 

 rays of dorsal fin X, 10; anal III, 12; scales 4-28-10; body oval: New 

 Jersey to North Carolina, in sluggish streams. 



