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Noturus stigmosus Taylor, 1969 Northern madtom |
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photo by
Canadian Museum of Nature, Ottawa, Canada |
| Family: | Ictaluridae (North American freshwater catfishes) | |||
| Max. size: | 13 cm TL (male/unsexed) | |||
| Environment: | demersal; freshwater, non-migratory | |||
| Distribution: | North America: Lake Erie and Ohio River basins from western Pennsylvania, southern Michigan and eastern Kentucky to Ohio River in western Kentucky, USA; tributaries of Mississippi River in western Tennessee and northern Mississippi, USA. | |||
| Diagnosis: | ||||
| Biology: | Adults inhabit mixed sand and rock riffles and runs with debris in small to large, often swift rivers. They forage at night, feeding largely on aquatic insect larvae (Ref. 55397). | |||
| IUCN Red List Status: | Near Threatened (NT); Date assessed: 31 July 2012 Ref. (130435) | |||
| Threat to humans: | harmless | |||