Greenback gauvina

The greenback guavina (Bunaka gyrinoides) is a species of fish in the family Eleotridae that inhabits fresh, marine, and brackish waters in estuaries and mangrove swamps from Sri Lanka to Micronesia and Australia. This species grows to a length of 34 cm (13 in), though most do not exceed 15 cm (5.9 in). This species is the only known member of its genus.

Greenback gauvina

The greenback guavina (Bunaka gyrinoides) is a species of fish in the family Eleotridae that inhabits fresh, marine, and brackish waters in estuaries and mangrove swamps from Sri Lanka to Micronesia and Australia. This species grows to a length of 34 cm (13 in), though most do not exceed 15 cm (5.9 in). This species is the only known member of its genus.