HomeFish encyclopediaRay-finned fishesPerch-like fishSleepersGreenback gauvina Greenback gauvina (Bunaka gyrinoides) Scientific name: Bunaka gyrinoides Bleeker, 1853 The Greenback gauvina (Bunaka gyrinoides) is a freshwater fish of the family Eleotridae. In the aquarium it needs water at 22–28°C (72–82°F). Greenback gauvina care at a glanceTemperature22–28°C (72–82°F) BiologyDorsal spines (total): 7; Dorsal soft rays (total): 8; Anal spines: 1; Anal soft rays: 8Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameBunaka gyrinoidesFamilyEleotridae (Sleepers)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length34.0Common length15.0EnvironmentMarine; freshwater; brackish; demersal; amphidromousClimateTropicalDistributionAsia and Oceania: Sri Lanka, Indonesia, Philippines, New Guinea, Admiralty Islands, Micronesia (Pohnpei, Caroline Islands) and Australia. Reported from New Caledonia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026