Pygmy killifish (Leptolucania ommata)

Scientific name: Leptolucania ommata Jordan, 1884

The Pygmy killifish (Leptolucania ommata) is a freshwater fish of the family Fundulidae. In the aquarium it needs water at 18–24°C (64–75°F).

Pygmy killifish care at a glance

Temperature: 18–24°C (64–75°F)

Biology

Inhabits surface waters of swamps, vegetated sloughs, and quiet water areas of creeks and small rivers. 2.9 cm max TL. Not a seasonal killifish. Is difficult to maintain in aquarium.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name: Leptolucania ommata
Family: Fundulidae (Topminnows and killifishes)
Order: Cyprinodontiformes (Live bearers, Killifishes and Rivulines)
Class: Actinopterygii (Ray-finned fishes)
Maximum length: 3.0
Common length: 2.0
Environment: Freshwater; pelagic; non-migratory
Climate: Subtropical
Distribution: North America: occurs only in the USA from Georgia in Ogeechee River to Alabama in Perdido River, south to central Florida. One record from Escatawpa River drainage in southeastern Mississippi.
Conservation status (IUCN): Not Evaluated
Threat to humans: Harmless
Uses: Aquarium: commercial
Resilience: High, minimum population doubling time less than 15 months (tmax=2)