Noturus insignis • Ictaluridae • Cat-eLog • PlanetCatfish

Delaware River, USA
Juvenile-55mm, Rivanna River, Virginia
Juvenile-55mm, Rivanna River, Virginia
Juvenile-55mm, Rivanna River, Virginia
Head-on view
Habitat: Rivanna River, Virginia, USA
Habitat: Rivanna River, Virginia, USA

Cat-eLog Data Sheet
Scientific Name	**Noturus insignis** (Richardson, 1836)
Common Name(s)	Margined Madtom
Type Locality	Vicinity of Philadelphia, Pennsylvania, U.S.A.
Synonym(s)	Pimelodus insigne
Pronunciation	no two russ - in SIG niss
Etymology	From the Greek notos, meaning back and oura, meaning tail. In reference to the confluent adipose and caudal fins. The specific name comes from the Latin insignis, meaning distinguished, in reference to the distinctly marked fins.
Species Information
Size	150mm (5.9") SL. Find near, nearer or same sized spp.
Identification	Yellow to slate gray above; white or light below; yellow or light gray fins. upper jaw projects beyond lower jaw. 15-21 anal rays.
Sexing	Breeding male with swollen lips,enlarged cephalic epaxial muscles, and large bulbous gentital papilla. Female with papilla with deep median groove ending in a small bump
General Remarks	Inhabits rocky riffles and runs of clear, fast creeks and small to medium rivers.
Habitat Information
Distribution	North America: Eastern U.S.A., Savannah River drainage, Georgia and South Carolina, north to Hudson River drainage, New York. In upper Kanawha River (Ohio R. basin) of North Carolina, Virginia and West Virginia, where possibly native. Also, introduced into several other areas to the north and south North American Atlantic Drainages (hover or click on these areas to show maps or find other species found there)
pH	6.2 - 7.0
Temperature	14.0-22.0°C or 57.2-71.6°F (Show others within this range)
Other Parameters	Highly oxygenated water not necessary but preferred.
Husbandry Information
Feeding	Readily feeds on live and frozen foods. Will also adapt to flake and prepared foods for the aquarium.
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. Nests are sited beneath flat rocks in gentle runs and in slow water above and below riffles. Eggs number 54-200 per clutch and are guarded by the male.
Further Information
References	Ann. Wien. Mus. Naturges.v. 1 (no. 1) - pp25 A Field Guide To Freshwater Fishes North America North American Native Fishes for the Home Aquarium American Aquarium Fishes
Registered Keepers	(1) Silurus, (2) fishlvr, (3) UNTgolf, (4) Birger (k: 6). Click on a username above to see all that persons registered catfish species. You can also view all "my cats" data for this species. Add this species to your "my cats" page.
Breeding Reports	None.
More Resources	- CotM 2004 July - Search Planet Catfish for more on Noturus insignis - BBcode (for use in linking to this page from forum posts) - Look up Noturus insignis on AquaticRepublic.com - Look up Noturus insignis on Fishbase, I.T.I.S. or ispecies search. - URL (for use in linking to the species from anywhere on the web)
Hits	10681 hits.
Last Update	2004 Nov 26 00:00 (species record created: 2003 Aug 16 00:00)

Cat-eLog Data Sheet

Scientific Name

Noturus insignis (Richardson, 1836)

Common Name(s)

Margined Madtom

Type Locality

Vicinity of Philadelphia, Pennsylvania, U.S.A.

Synonym(s)

Pimelodus insigne

Pronunciation

no two russ - in SIG niss

Etymology

From the Greek notos, meaning back and oura, meaning tail. In reference to the confluent adipose and caudal fins. The specific name comes from the Latin insignis, meaning distinguished, in reference to the distinctly marked fins.

Species Information

Size

150mm (5.9") SL. Find near, nearer or same sized spp.

Identification

Yellow to slate gray above; white or light below; yellow or light gray fins. upper jaw projects beyond lower jaw. 15-21 anal rays.

Sexing

Breeding male with swollen lips,enlarged cephalic epaxial muscles, and large bulbous gentital papilla. Female with papilla with deep median groove ending in a small bump

General Remarks

Inhabits rocky riffles and runs of clear, fast creeks and small to medium rivers.

Habitat Information

Distribution

North America: Eastern U.S.A., Savannah River drainage, Georgia and South Carolina, north to Hudson River drainage, New York. In upper Kanawha River (Ohio R. basin) of North Carolina, Virginia and West Virginia, where possibly native. Also, introduced into several other areas to the north and south
North American Atlantic Drainages (hover or click on these areas to show maps or find other species found there)

6.2 - 7.0

Temperature

14.0-22.0°C or 57.2-71.6°F (Show others within this range)

Other Parameters

Highly oxygenated water not necessary but preferred.

Husbandry Information

Feeding

Readily feeds on live and frozen foods. Will also adapt to flake and prepared foods for the aquarium.

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. Nests are sited beneath flat rocks in gentle runs and in slow water above and below riffles. Eggs number 54-200 per clutch and are guarded by the male.

Further Information

References

Ann. Wien. Mus. Naturges.v. 1 (no. 1) - pp25
A Field Guide To Freshwater Fishes North America
North American Native Fishes for the Home Aquarium
American Aquarium Fishes

Registered Keepers

(1) Silurus, (2) fishlvr, (3) UNTgolf, (4) Birger (k: 6).

Click on a username above to see all that persons registered catfish species. You can also view all "my cats" data for this species.

Add this species to your My Cats species list

Add this species to your "my cats" page.

Breeding Reports

None.

More Resources

- CotM

2004

July

- Search Planet Catfish for more on Noturus insignis
Link

- BBcode (for use in linking to this page from forum posts)
Look up AquaticRepublic.com

- Look up Noturus insignis on AquaticRepublic.com
Look up Fishbase

- Look up Noturus insignis on Fishbase, I.T.I.S. or ispecies search.
Link

- URL (for use in linking to the species from anywhere on the web)

Hits

10681 hits.

Last Update

2004 Nov 26 00:00 (species record created: 2003 Aug 16 00:00)

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