Noturus nocturnus Jordan & Gilbert, 1886
Freckled madtom
photo by Page, L.M.

Family:  Ictaluridae (North American freshwater catfishes)
Max. size:  15 cm TL (male/unsexed); max. reported age: 4 years
Environment:  demersal; freshwater
Distribution:  North America: Mississippi River basin from northern Illinois to Louisiana, and from eastern Kentucky to central Kansas and Oklahoma in the USA; Gulf Slope drainages from Mobile Bay in Alabama to Guadalupe River in Texas, USA.
Diagnosis:   
Biology:  Inhabits sand-gravel riffles and runs near debris and among tree roots along undercut banks in creeks to large rivers (Ref. 5723, 10294). Feeds on aquatic insect immatures dominated by mayflies, caddisflies, midges, and blackflies (Ref. 10294).
IUCN Red List Status: Least Concern (LC); Date assessed: 01 March 2012 Ref. (130435)
Threat to humans:  harmless


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