Max length : 16.0 cm TL male/unsexed; (Ref. 5723); common length : 9.0 cm TL male/unsexed; (Ref. 12193); max. reported age: 3 years (Ref. 12193)
Environment
Demersal; freshwater
Climate / Range
Temperate; 45°N - 31°N
North America: Mississippi River basin from Ohio to Minnesota and south to southern Mississippi, northern Louisiana and southeastern Oklahoma in the USA; and on Gulf Slope in Escambia, Mobile Bay and Pearl River drainages. Now extirpated from Ohio, Kentucky, Indiana and Illinois. Countries | FAO areas | Ecosystems | Occurrences | Introductions
Short description
Dorsalspines
(total): 10 - 17;
Dorsalsoft rays
(total): 11 - 15;
Analsoft rays: 12 - 16. Gape width 3.7-6.1% SL; preorbital blotch adjoined to or narrowly separate from anterior orbital rim; and pelvic fins not falcate; cheek scale rows 4-14, modally 11; opercle scale rows 2-13, modally 4; mid-lateral blotches 8-14, modally 10; anal-fin rays 12-16, modally 14; dorsal-fin spines 10-17, modally 14; scales below the lateral line 7-14, modally 9 (Ref. 74948).
Occurs in clean sand and gravel runs of small to medium rivers (Ref. 5723, 10294).
