..The fishes of Illinois . rays 7 or 8; anal rays 8; scales small, 67 to 85 inlateral series; lateral line imperfect or wanting; size small, not over 3inches. Three species; New England to the Dakotas, chiefly northward. CHROSOMUS ERYTHROGASTER Rafinesque(red-bellied dace) Rafinesque, 1820, Ichth. Oh., 47 (Luxilus), 4S. G., VII, 247 (Leuciscus); J. & G., 153; M. V., S3; J. &- E„ I, 209; X , 47; J , 61 F ,79; F. P., I. 6, 80; L., 14. The minute scales. 77 to 91, in the lateral line, and the two longitudi-nal stripes of dark color upon the sides, will readily distinguish the pres-ent species fro
..The fishes of Illinois . rays 7 or 8; anal rays 8; scales small, 67 to 85 inlateral series; lateral line imperfect or wanting; size small, not over 3inches. Three species; New England to the Dakotas, chiefly northward. CHROSOMUS ERYTHROGASTER Rafinesque(red-bellied dace) Rafinesque, 1820, Ichth. Oh., 47 (Luxilus), 4S. G., VII, 247 (Leuciscus); J. & G., 153; M. V., S3; J. &- E„ I, 209; X , 47; J , 61 F ,79; F. P., I. 6, 80; L., 14. The minute scales. 77 to 91, in the lateral line, and the two longitudi-nal stripes of dark color upon the sides, will readily distinguish the pres-ent species from all other species of Cyprinidw found within our 2 to 3 inches; body oblong, moderately compressed, taperingabout equally each way from middle of body; depth to in length;depth of caudal peduncle to in its length. Color above brownisholive, with a broad vertebral streak of dusky and dark spots forming an in-distinct row on upper part of each side; sides marked with two black stripes. aX w U< Q wJ w cq QW CHROSOMUS 113 (faint in females), the upper and narrower one extending from uppercorner of gill-cleft nearly straight backward to base of caudal, sometimesbreaking up into spots or oblique bars on caudal peduncle; the lowerstripe broader, extending from snout through eye and along lower portionof sides to end of caudal peduncle, followed by a black spot at base ofcaudal rays; the interspace between lateral bands a bright silvery orsatiny cream, tinged with brassy to crimson in males; belly white, over-laid with silvery; females much more obscurely marked than maleswhich in spring coloration have the belly, breast, and chin bright scarlet,and the fins a bright lemon-yellow, the dorsal with a large blotch of brightscarlet at its base and the body everywhere minutely tuberculate. Headrather pointed, 4 to in length, its width to 2; interorbital spacenearly flat, to 3 in head; eye to ; nose , short, pointed,longer than t
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Keywords: ., bookcentury1900, bookdecade1900, bookidcu31924, booksubjectfishes
