Noturus gyrinus (Mitchill, 1817)
Tadpole madtom
photo by Thomas, C.

Family:  Ictaluridae (North American freshwater catfishes)
Max. size:  13 cm TL (male/unsexed); max. reported age: 3 years
Environment:  demersal; freshwater
Distribution:  North America: Atlantic and Gulf Slope drainages from New Hampshire to Nueces River in Texas, USA; St. Lawrence-Great Lakes, Hudson Bay (Red River), and Mississippi River basins from Quebec to Saskatchewan in Canada and south to Gulf of Mexico in USA.
Diagnosis:   
Biology:  Inhabits lakes, rock-, mud-bottomed or detritus-bottomed pools and backwaters of lowland creeks and small to large rivers (Ref. 5723, 10294). Feeds on midge, isopods, amphipods, mayfly and caddis larvae (Ref. 10294).
IUCN Red List Status: Least Concern (LC); Date assessed: 01 March 2012 Ref. (130435)
Threat to humans:  harmless


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