Least Chub

Iotichthys phlegethontis can be distinguished by the following characters: no lateral line (rarely 1-2 pores at front); large scales (34-38 lateral); dorsal-fin origin behind pelvic-fin origin; slender peduncle; 8 anal-fin rays; pharyngeal teeth 2,5-4,2; large eye; short rounded snout; fairly deep, compressed body; color consists of olive above, black specks on back and side, gold stripe along blue side, white to yellow fins; and red-gold lower side, gold eye and anal fins in breeding males (Ref. 86798).

Analsoft rays: 8

Inhabits marshes, ponds, vegetated areas of streams and lakes, usually over mud (Ref. 86798).