Marsh killifish (Fundulus confluentus)

Scientific name: Fundulus confluentus Goode & Bean, 1879

The Marsh killifish (Fundulus confluentus) is a freshwater fish of the family Fundulidae. In the aquarium it needs water at 15–26°C (59–79°F). Native range: Western Atlantic, Chesapeake Bay to southern Florida (including Keys) in USA and northeastern Gulf of Mexico.

Marsh killifish care at a glance

Temperature: 15–26°C (59–79°F)

Biology

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

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name: Fundulus confluentus
Family: Fundulidae (Topminnows and killifishes)
Order: Cyprinodontiformes (Live bearers, Killifishes and Rivulines)
Class: Actinopterygii (Ray-finned fishes)
Maximum length: 8.0
Environment: Marine; freshwater; brackish; benthopelagic; non-migratory
Climate: Temperate
Distribution: Western Atlantic: Chesapeake Bay to southern Florida (including Keys) in USA and northeastern Gulf of Mexico.
Conservation status (IUCN): Not Evaluated
Threat to humans: Harmless
Uses: Aquarium: commercial
Resilience: High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)