HomeFish encyclopediaRay-finned fishesPerch-like fishSleepersRedfinned bully Redfinned bully (Gobiomorphus huttoni) Scientific name: Gobiomorphus huttoni Ogilby, 1894 The Redfinned bully (Gobiomorphus huttoni) is a freshwater fish of the family Eleotridae. In the aquarium it needs water at 4–20°C (39–68°F). Native range: Oceania, endemic to New Zealand. Redfinned bully care at a glanceTemperature4–20°C (39–68°F) Species factsScientific nameGobiomorphus huttoniFamilyEleotridae (Sleepers)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length12.0EnvironmentMarine; freshwater; brackish; demersal; amphidromousClimateSubtropicalDistributionOceania: endemic to New Zealand.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (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