Roanoke darter (Percina roanoka) fish species and information / pictures of Roanoke darter - Percina roanoka

Roanoke darter (Percina roanoka) fish species information

Scientific Name
Percina roanoka

Common Name
Roanoke darter

Biology
Inhabits fast gravel and rubble riffles (adult), gravel-bottomed pools and runs near riffles (young) of small to medium rivers.

Classification

Classified By
Jordan & Jenkins, 1889
Class
Ray-finned fishes (Actinopterygii)
Order
Perch-like fish (Perciformes)
Family
Perches (Percidae)

Distribution

Region
North America
Distribution
North America: Roanoke, Neuse, and Tar River drainages in Virginia and North Carolina in the USA. Also in extreme upper James River drainage in Virginia and New River drainage in West Virginia and Virginia, which are probably recent introductions.
Range
38°N - 35°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
3.31 s.e. 0.43 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
7.8 cm
Common Length
4.3 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 (16 of 100)
Resilience
High, minimum population doubling time less than 15 months (tmax=3)
Threat To Humans
  Harmless
IUCN Red List Status
  Not Evaluated