Scientific Name
Leptolucania ommata

Common Name
Pygmy killifish

Biology
Inhabits surface waters of swamps, vegetated sloughs, and quiet water areas of creeks and small rivers. 2.9 cm max TL (Ref. 5723). Not a seasonal killifish. Is difficult to maintain in aquarium (Ref. 27139).

Classification

Classified By

Jordan, 1884

Class

Ray-finned fishes (Actinopterygii)

Order

Live bearers, Killifishes and Rivulines (Cyprinodontiformes)

Family

Topminnows and killifishes (Fundulidae)

Distribution

Region

North America

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.

Range

32°N - 28°N

Environment

Climate

Subtropical

Water Temperature From

18 °C

Water Temperature To

24 °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

pelagic

Environment

Freshwater; pelagic; non-migratory

Trophic Level

3.03 s.e. 0.36 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

3.0 cm

Common Length

2.0 cm

Phylogenetic Diversity Index

PD50 = 1.0000 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 (10 of 100)

Resilience

High, minimum population doubling time less than 15 months (tmax=2)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated