Scientific Name
Noturus stigmosus

Common Name
Northern madtom

Biology
Inhabits mixed sand and rock riffles and runs with debris in small to large, often swift rivers. Forages at night, feeding largely on aquatic insect larvae (Ref. 55397).

Classification

Classified By

Taylor, 1969

Class

Ray-finned fishes (Actinopterygii)

Order

Catfish (Siluriformes)

Family

North American freshwater catfishes (Ictaluridae)

Distribution

Region

North America

Distribution

North America: Lake Erie and Ohio River basins from western Pennsylvania, southern Michigan and eastern Kentucky to Ohio River in western Kentucky, USA; tributaries of Mississippi River in western Tennessee and northern Mississippi, USA.

Range

43°N - 36°N

Environment

Climate

Temperate

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

demersal

Environment

Freshwater; demersal

Trophic Level

3.71 s.e. 0.58 Based on food items.

Occurs in Marine / Salt water

False

Occurs in Brackish water

False

Occurs in Fresh Water

True

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

13.0 cm

Common Length

6.9 cm

Phylogenetic Diversity Index

PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Unknown

Vulnerability

Low vulnerability (23 of 100)

Resilience

High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated