Northern studfish (Fundulus catenatus) fish species and information / pictures of Northern studfish - Fundulus catenatus

Northern studfish (Fundulus catenatus) fish species information

Scientific Name
Fundulus catenatus

Common Name
Northern studfish

Biology
Inhabits margins, pools and backwaters of creeks and small to medium rivers. Most commonly found in shallow sandy backwaters of clean rocky creeks. 18 cm max TL (Ref. 5723). Adult feeds on aquatic insect larvae and snails (Ref. 10294). Not a seasonal killifish. Is very difficult to maintain in aquarium (Ref. 27139).

Classification

Classified By

Storer, 1846

Class

Ray-finned fishes (Actinopterygii)

Order

Live bearers, Killifishes and Rivulines (Cyprinodontiformes)

Family

Topminnows and killifishes (Fundulidae)

Distribution

Region

North America

Distribution

North America: USA: upper East Fork White River system in Indiana; upper Salt and Kentucky River drainages in Kentucky; upper Green, middle and lower Cumberland, and Tennessee River drainages; west of Mississippi River ; southwestern Mississippi in Mississippi and Gulf Slope drainages.

Range

40°N - 31°N

Environment

Climate

Temperate

Water Temperature From

15 °C

Water Temperature To

25 °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

benthopelagic

Environment

Freshwater; benthopelagic; non-migratory

Trophic Level

3.14 s.e. 0.38 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

True

Physical Size and Genetics

Maximum Length

20.0 cm

Common Length

16.5 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

Aquarium: commercial

Vulnerability

Low vulnerability (25 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