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Noturus gyrinus (Mitchill, 1817)

Image contributors to this species:

Konrad P. Schmidt (1) R. D. Bartlett (1) Allan James (1) Birger Kamprath (3)

ScotCat Sources:

Factsheet Article Etymology = Genus Etymology = Species

Other Sources:

Fishbase  Google Search  All Catfish Species Inventory


Relevant Information:

Inhabits lakes, rock-, mud-bottomed or detritus-bottomed pools and backwaters of lowland creeks and small to large rivers. Feeds on midge, isopods, amphipods, mayfly and caddis larvae. The "Tadpole Madtom" is one of the smallest Madtoms apart from the rarest; Noturus stanauli, is abundant in strong riffles of large creeks and rivers, especially in areas having boulders or large flat rocks. It is one of the most widespread species in the genus and can be found from South West Quebec and South East Manitoba in Canada down to Southern Florida and Texas. It is absent in the Appalachian Mountains. Aquarium Care: In common with most of this genus they make good inhabitants of a cold (cool) water aquarium and can be mixed with other cool water species such as shiners, minnows and darters. They like to have place to call home in the aquarium so furnish it with rocks or driftwood and flat stones so they can hide during the day. You can have either sand or a mixed fine gravel and an internal power filter to gently push the water around the tank, this will imitate the conditions encountered in the wild for this species. Diet: They like most meaty food, such as cut-up earth worms, frozen blood worm and prawns. They will also take tablet and pellet foods. A varied diet will keep them in optimum health.

Common Name:

Tadpole madtom


Silurus gyrinus




North America: Atlantic draining Rivers, below Fall line; Mississippi River basin; rivers draining Gulf of Mexico (north of Rio Grande); and Great Lakes; introduced into many additional rivers. Type locality: Wallkill, New York.


11.5cm. (4½ins)


05 -23°C (37-73°F)




Ferraris, C.J. Jr., 2007. Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types. Zootaxa 1418:1-628.
ScotCat Factsheet No. 84. June 2003.



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