Freckled madtom (Noturus nocturnus)

Scientific name: Noturus nocturnus Jordan & Gilbert, 1886

Freckled madtom (Noturus nocturnus)

The Freckled madtom (Noturus nocturnus) is a freshwater fish of the family Ictaluridae.

Biology

Inhabits sand-gravel riffles and runs near debris and among tree roots along undercut banks in creeks to large rivers. Feeds on aquatic insect immatures dominated by mayflies, caddisflies, midges, and blackflies.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Noturus nocturnus
Family
Ictaluridae (North American freshwater catfishes)
Order
Siluriformes (Catfish)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
15.0
Common length
4.6
Environment
Freshwater; demersal
Climate
Subtropical
Distribution
North America: Mississippi River basin from northern Illinois to Louisiana, and from eastern Kentucky to central Kansas and Oklahoma in the USA; Gulf Slope drainages from Mobile Bay in Alabama to Guadalupe River in Texas, USA.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (tmax=4)

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

Last updated