CH.-ENOBRYTTUS- WARMOUTH BASS 245 



Gems CHjENOBRYTTUS Gill 



(warmouth bass) 



This genus has the form and dentition of Ambloplites, with the opercle 

 convex at the angle as in Lepomis, not ending in two points; preopercle 

 entire; mouth large; a supplemental maxillary present; dorsal spines 10 

 and anal spines 3, as in Lepomis; caudal emarginate; scales weakly- 

 ctenoid. United States, east of the Rockies; one species. 





Vte' 





A 



Fig. 59 





CILENOBRYTTUS GULOSUS (Cuvier & Valenciennes) 



(WARMOUTH BASS) 



Cuvier & Valenciennes, 1829, Hist. Xat. Poiss., III. 498 (Pomotist. 

 |. & G . 468; M V., 115; B.. I, 13; J. & E.. I, 992; N., 37; J., 45; F., 69; F. F., I 

 3, 44; L., 23 



Length 6 to 8 inches; body robust, elongate, becoming much deeper 

 with age; profile only slightly angled at nape; depth 2 to 2.6; greatest 

 width 2 to 2 . 5 in greatest depth ; depth of caudal peduncle 1 . 2 to 1 . 6 in 

 its length. Color "livaeeous to grayish, clouded, mottled, and some- 

 times indistinctly barred, with slate to bluish black; sides with golden 

 and emerald reflections, producing over the ground colors a rich golden 



. n effect; breast and belly greenish to yellowish, sprinkled with dark 

 dots and finely dusted with gold or emerald; four or five light grayish 

 to lavender streaks (sometimes reddish) running from eye to back of 

 opercle; snout, cheeks, and opercles sprinkled with dusky and finely 

 punctulate with gold; forehead a moldy velvety-slate, characteristic of 

 fish; bony portion of open alar flap very dark, brownish in front to 

 bluish behind, the membranous portion coppery above to lavender be- 

 low; a narrow line of crimson about pupil; resl of iris crimson to purplish 

 with streaks of emerald above and below; dorsal and anal tins lighl 



(17) 



