Cat-eLog Right Arrow Ictaluridae Right Arrow Noturus

Jump to next section Cat-eLog Data Sheet
Scientific NameNoturus exilis  Nelson, 1876
Common NamesSlender Madtom
Slank Giftmalle (Denmark)
Type LocalityMackinaw Creek, Illinois R. drainage, McLean Co., Illinois., U.S.A.
Pronunciationno two russ
EtymologyFrom the Greek notos, meaning back and oura, meaning tail. In reference to the confluent adipose and caudal fins. The specific epithet is in reference to the slimness of the specimen's body.
Jump to next section Species Information
Size 150mm or 5.9" SL. Find near, nearer or same sized spp.
IdentificationLong slender body;flat head. Black border on median fins. Terminal mouth with equal jaws. Yellow-brown to gray-black above;light yellow below; pale or light yellow fins.
SexingBreeding male with swollen lips,enlarged cephalic epaxial muscles, and large bulbous genital papilla. Female with papilla with deep median groove ending in a small bump.
General RemarksOccurs in clear, cool, rocky riffles, runs and flowing pools of creeks.
Jump to next section Habitat Information
DistributionNorth America: Green, Cumberland and Tennessee River drainages in central Kentucky to northern Alabama, USA; upper Mississippi River basin from southern Wisconsin and southern Minnesota to Ozark and Ouachita Highlands of Arkansas, Kansas and Oklahoma in USA.
Gulf Coast Drainages, Mississippi, Ohio, Green River (Kentucky) (click on these areas to find other species found there)
Gulf Coast Drainages, Mississippi, Ohio, Cumberland (click on these areas to find other species found there)
Gulf Coast Drainages, Mississippi, Ohio, Tennessee (click on these areas to find other species found there)
Gulf Coast Drainages, Mississippi, Upper Mississippi (click on these areas to find other species found there)
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IUCN Red List StatusLeast Concern
pH6.2 - 7.0
Temperature14.0-22.0°C or 57.2-71.6°F (Show species within this range)
Other ParametersHighly oxeganated water a must.
Jump to next section Husbandry Information
FeedingReadily feeds on live and frozen foods. Will also adapt to flake and prepared foods for the aquarium.
FurnitureProvide sand mixed with peat moss,pvc pipes,flat rocks and vegetation .
CompatibilitySuitable for a coldwater community tank.Ideal tank mates include small-midsized North American native fishes such as darters and shiners.
Suggested TankmatesIdeal tankmates include small to midsized North American native fishes such as darters and shiners.
BreedingSpawning occurs in the months of may-august. It is difficult in the aquarium however it has been done when wild caught specimens are added to aquariums with warmer temperatures than the river or drainage system they are captured from.
Jump to next section Further Information
ReferencesBull. Illinois Mus. Nat. Hist.v. 1 (no. 1) - pp51
A Field Guide To Freshwater Fishes North America
North American Native Fishes for the Home Aquarium
American Aquarium Fishes
Registered Keepers(1) Silurus, (2) mikey (k: 12), who also notes: "Hardy little fish captured in Big Sugar Creek near Pineville, MO", (3) irshprncsk.

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Breeding ReportsNone.
Articles
Article - CotM 2008 September
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Last Update2007 Apr 30 09:24 (species record created: 2001 Apr 25 00:00)