AquaticRepublic.com - Noturus exilis (Ictaluridae) All Fishes

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All Fishes Data Sheet
Scientific Name	**Noturus exilis** Nelson, 1876
Common Names	Slender Madtom Slank Giftmalle (Denmark)
Type Locality	Mackinaw Creek, Illinois River drainage, McLean County, Illinois, U.S.A.
Synonym(s)	Noturus elassochir
Pronunciation	no two russ
Etymology	From 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.
Species Information
Size	150mm or 5.9" SL. Find near, nearer or same sized spp.
Identification	Long 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.
Sexing	Breeding 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 Remarks	Occurs in clear, cool, rocky riffles, runs and flowing pools of creeks.
Habitat Information
Distribution	North 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) Login to view the map.
IUCN Red List Category	Least Concern , range map and more is available on the IUCN species page. Last assessed 2012.
pH	6.2 - 7.0
Temperature	14.0-22.0°C or 57.2-71.6°F (Show species within this range)
Other Parameters	Highly oxeganated water a must.
Husbandry Information
Feeding	Readily feeds on live and frozen foods. Will also adapt to flake and prepared foods for the aquarium. User data.
Furniture	Provide sand mixed with peat moss,pvc pipes,flat rocks and vegetation .
Compatibility	Suitable for a coldwater community tank.Ideal tank mates include small-midsized North American native fishes such as darters and shiners.
Suggested Tankmates	Ideal tankmates include small to midsized North American native fishes such as darters and shiners.
Breeding	Spawning 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.
Breeding Reports	There is no breeding report.
Further Information
Reference	Bulletin of the Illinois State Laboratory of Natural History v. 1 (no. 1), pp 51.
Registered Keepers	There is no registered keeper.
Wishlists	Love this species? Click the heart to add it to your wish list. There is no wish to keep this species.
Spotters	Spotted this species somewhere? Click the binoculars! There are 2 records of this fish being seen, view them all.
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	Look up N. exilis on PlanetCatfish.com
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	Look up N. exilis on Encyclopedia of Life
	Look up N. exilis on Global Biodiversity Information Facility
	LFS label creator ARN ref:1.5.32.296
Last Update	2025 Jan 01 12:19 (species record created: 2001 Apr 25 00:00)