Scientific Name
Fundulus confluentus

Common Name
Marsh killifish

Biology
Occurs mainly in grassy backwaters and brackish bays, not along open beaches. Also found in fresh water (Ref. 7251). Not a seasonal killifish. Is difficult to maintain in aquarium (Ref. 27139).

Classification

Classified By

Goode & Bean, 1879

Class

Ray-finned fishes (Actinopterygii)

Order

Live bearers, Killifishes and Rivulines (Cyprinodontiformes)

Family

Topminnows and killifishes (Fundulidae)

Distribution

Region

Western Atlantic

Distribution

Western Atlantic: Chesapeake Bay to southern Florida (including Keys) in USA and northeastern Gulf of Mexico.

Range

40°N - 24°N

Environment

Climate

Temperate

Water Temperature From

15 °C

Water Temperature To

26 °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

benthopelagic

Environment

Marine; freshwater; brackish; benthopelagic; non-migratory

Trophic Level

3.09 s.e. 0.37 Based on size and trophs of closest relatives

Occurs in Marine / Salt water

True

Occurs in Brackish water

True

Occurs in Fresh Water

True

Occurs on Reefs

False

Is kept in Aquariums

True

Physical Size and Genetics

Maximum Length

8.0 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

Aquarium: commercial

Vulnerability

Low vulnerability (12 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