Blotched chub (Erimystax insignis) fish species and information / pictures of Blotched chub - Erimystax insignis

Blotched chub (Erimystax insignis) fish species information

Scientific Name
Erimystax insignis

Common Name
Blotched chub

Biology
Inhabits rocky riffles and runs of clear small to medium rivers (Ref. 5723, 10294); also found in moderate-sized creeks. Feeds on periphyton and aquatic insect larvae dominated by dipterans (midges and blackflies) and mayflies (Baetidae and Potamanthus) (Ref. 10294).

Classification

Classified By

Hubbs & Crowe, 1956

Class

Ray-finned fishes (Actinopterygii)

Order

Carps (Cypriniformes)

Family

Minnows or carps (Cyprinidae)

Distribution

Region

North America

Distribution

North America: Cumberland and Tennessee River drainages in Virginia, North Carolina, Kentucky, Tennessee, Georgia and Alabama, 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

demersal

Environment

Freshwater; demersal

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

False

Physical Size and Genetics

Maximum Length

10.0 cm

Common Length

6.1 cm

Phylogenetic Diversity Index

PD50 = 0.5312 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Unknown

Vulnerability

Low vulnerability (20 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