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Setting up your tank

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Arkansas darter (Etheostoma cragini) fish species and information / pictures of Arkansas darter - Etheostoma cragini

Arkansas darter (Etheostoma cragini) fish species information

Scientific Name
Etheostoma cragini

Common Name
Arkansas darter

Biology
Usually occurs over mud in spring-fed vegetated headwaters and creeks.

Classification

Classified By

Gilbert, 1885

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Perches (Percidae)

Distribution

Region

North America

Distribution

North America: known only from the Arkansas River drainage in southwestern Missouri, northwestern Arkansas, Kansas, Oklahoma and Colorado, USA.

Range

40°N - 33°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

benthopelagic

Environment

Freshwater; benthopelagic

Trophic Level

3.18 s.e. 0.41 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

6.0 cm

Common Length

5.0 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 (tmax=3)

Threat To Humans

Harmless

IUCN Red List Status

Lower Risk: near threatened (LR/nt)