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Harlequin darter (Etheostoma histrio) fish species and information / pictures of Harlequin darter - Etheostoma histrio

Harlequin darter (Etheostoma histrio) fish species information

Scientific Name
Etheostoma histrio

Common Name
Harlequin darter

Biology
Inhabits sand and gravel runs of small to medium rivers, usually near debris (Ref. 5723, 10294). Feeds on midge, blackfly, and caddisfly larvae, and mayfly nymphs (Ref. 10294).

Classification

Classified By

Jordan & Gilbert, 1887

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Perches (Percidae)

Distribution

Region

North America

Distribution

North America: Former Mississippi Embayment and Gulf Slope drainages from Kentucky and Missouri to Louisiana, and from Escambia River in Alabama and Florida to Neches River in Texas in the USA. In Red and Arkansas drainages west to Oklahoma and Texas; in Wabash River drainage and Green River system in USA.

Range

39°N - 31°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

3.23 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

7.7 cm

Common Length

5.4 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