Scientific Name
Noturus hildebrandi hildebrandi

Common Name
Least madtom

Biology
Inhabits mixed rock and sand riffles and runs of clear lowland creeks and small rivers. Often found near debris (Ref. 5723, 10294). Feeds on midge and caddis larvae, together with mayfly and stonefly nymphs (Ref. 10294).

Classification

Classified By

Bailey & Taylor, 1950

Class

Ray-finned fishes (Actinopterygii)

Order

Catfish (Siluriformes)

Family

North American freshwater catfishes (Ictaluridae)

Distribution

Region

North America

Distribution

North America: tributaries of Mississippi River in the USA from North Fork Obion River in southwestern Kentucky to Homochitto River in southern Mississippi.

Range

37°N - 30°N

Environment

Climate

Subtropical

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

3.22 s.e. 0.42 Based on size and trophs of closest relatives

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

6.9 cm

Common Length

3.7 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 (13 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