Max length : 17.0 cm TL male/unsexed; (Ref. 5723); common length : 13.4 cm TL male/unsexed; (Ref. 12193); max. reported age: 6 years (Ref. 72462)
Environment
Demersal; freshwater
Climate / Range
Temperate; 50°N - 37°N
North America: St. Lawrence River, Quebec, west through Great Lakes and northern Mississippi River basin to Red River (Hudson Bay basin), south Manitoba; localized in Ohio River basin of northwest Pennsylvania, west Virginia, east Kentucky, north and south central Ohio and north Indiana; Missouri River basin. Countries | FAO areas | Ecosystems | Occurrences | Introductions
Adults inhabit clean, clear gravel riffles and runs of small rivers. Ammocoetes occur in quiet water over sand, silt and debris. Non-parasitic, the adults and possibly the larger ammocoetes in the resting stage do not feed (Ref. 1998).
