Pygmy killifish (Leptolucania ommata)

General data
- Main name: Pygmy killifish
- Habitat: Freshwater
Classification
- Genus: Leptolucania - Leptolucania
- Family: Fundulidae - North American killifishes
- Order: Cyprinodontiformes - Toothcarps
- Class: Teleostei - Ray-finned fishes
- Superclass: Osteichthyes - Bony fishes