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)