Spotfin chub (Erimonax monachus) fish species and information / pictures of Spotfin chub - Erimonax monachus

Spotfin chub (Erimonax monachus) fish species information

Scientific Name
Erimonax monachus

Common Name
Spotfin chub

Biology
Found in rocky riffles and runs of clean small to medium rivers (Ref. 5723, 10294). Juveniles are associated with small gravel substrates and moderate current, while adults are encountered in swift currents and boulder substrates. Feed on aquatic insects, predominated by midge, blackfly, and caddisfly larvae (Ref. 10294).

Classification

Classified By

Cope, 1868

Class

Ray-finned fishes (Actinopterygii)

Order

Carps (Cypriniformes)

Family

Minnows or carps (Cyprinidae)

Distribution

Region

North America

Distribution

North America: Historically in much of Tennessee River drainage, from Virginia, North Carolina, Tennessee, Georgia to Alabama. Recently have been observed only in Little Tennessee River, North Carolina; Duck and Emory Rivers, Tennessee; and North Fork Holston River, Virginia and Tennessee, USA.

Range

38°N - 34°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

benthopelagic

Environment

Freshwater; benthopelagic

Trophic Level

2.9 s.e. 0.33 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

True

Physical Size and Genetics

Maximum Length

11.0 cm

Common Length

7.0 cm

Phylogenetic Diversity Index

PD50 = 1.0000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Aquarium: commercial

Vulnerability

Low vulnerability (22 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (tmax=4)

Threat To Humans

Harmless

IUCN Red List Status

Lower Risk: near threatened (LR/nt)