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Gulf darter (Etheostoma swaini) fish species and information / pictures of Gulf darter - Etheostoma swaini

Gulf darter (Etheostoma swaini) fish species information

Scientific Name
Etheostoma swaini

Common Name
Gulf darter

Biology
Occurs in shallow rocky riffles, current-swept vegetation in headwaters, creeks and small to medium rivers (Ref. 5723); also found in streams (Ref. 10294). Feeds on midge larvae, with isopods and immature blackflies, mayflies, hydroptilid and hydropsychid caddisflies, and dragonflies (Ref. 10294).

Classification

Classified By

Jordan, 1884

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Perches (Percidae)

Distribution

Region

North America

Distribution

North America: Gulf drainages from Ochlockonee River in Georgia and Florida to Mississippi River in Louisiana, and north on Former Mississippi Embayment (east of Mississippi River only) to Kentucky in the USA; in Bear Creek in northwestern Alabama and northeastern Mississippi, USA.

Range

36°N - 29°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

3.23 s.e. 0.42 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

5.3 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 (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated