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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