Arrow darter (Etheostoma sagitta) fish species and information / pictures of Arrow darter - Etheostoma sagitta

Arrow darter (Etheostoma sagitta) fish species information

Scientific Name
Etheostoma sagitta

Common Name
Arrow darter

Biology
Inhabits rocky riffles and pools of headwaters, creeks and small rivers (Ref. 5723, 10294); also found in streams (Ref. 10294). Feeds on mayfly nymphs (heptageniids, baetids), blackfly and midge larvae, and lesser numbers of caddisfly, stonefly, and beetle larvae (Ref. 10294).

Classification

Classified By
Jordan & Swain, 1883
Class
Ray-finned fishes (Actinopterygii)
Order
Perch-like fish (Perciformes)
Family
Perches (Percidae)

Distribution

Region
North America
Distribution
North America: found only in the upper Kentucky and upper Cumberland River drainages in Kentucky and Tennessee, USA.
Range
38°N - 36°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
3.3 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
12.0 cm
Common Length
Unknown 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 (17 of 100)
Resilience
High, minimum population doubling time less than 15 months (K=0.67-0.79)
Threat To Humans
  Harmless
IUCN Red List Status
  Not Evaluated