Noturus maydeni Egge, 2006
Black River madtom

Family:  Ictaluridae (North American freshwater catfishes)
Max. size:  8.064 cm SL (male/unsexed)
Environment:  demersal; freshwater
Distribution:  North America: Black and St. Francis river drainages in Arkansas and Missouri, USA.
Diagnosis:  Dorsal soft rays (total): 7-7; Anal soft rays: 15-17; Vertebrae: 40-43
Biology:  Inhabits clear, swift, moderate to large high gradient streams. Occurs in swift shallow riffles with gravel, cobble or large stone substrate, but can occasionally be found in shallower pools (Ref. 57745).
IUCN Red List Status: Least Concern (LC); Date assessed: 01 March 2012 Ref. (130435)
Threat to humans:  harmless


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