Rainwater killifish

Rainwater killifish
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Cyprinodontiformes
Family: Fundulidae
Genus: Lucania
Species:
L. parva
Binomial name
Lucania parva
Synonyms
  • Cyprinodon parvus Baird & Girard, 1855
  • Limia venusta Girard, 1858
  • Lucania affinis Girard, 1859

The rainwater killifish (Lucania parva) is a small silvery fish with yellow flashes and diamond shaped scales that is widespread from Cape Cod, Massachusetts, through to Tampico, Mexico. It is commonly found in large numbers in fresh to brackish estuarine environments. It feeds on tiny crustaceans, mosquito larvae, small worms, and mollusks. It can reach up to 62 mm (2.44 inches).