HomeFish encyclopediaRay-finned fishesPerch-like fishSleepersUpland bully Upland bully (Gobiomorphus breviceps) Scientific name: Gobiomorphus breviceps Stokell, 1939 The Upland bully (Gobiomorphus breviceps) is a freshwater fish of the family Eleotridae. Native range: Oceania, endemic to New Zealand. BiologyInhabits streams. Preys on invertebrates. Maximum life-span for both sexes was observed to be 4.5 years.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameGobiomorphus brevicepsFamilyEleotridae (Sleepers)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length8.2EnvironmentFreshwater; demersal; non-migratoryClimateTemperateDistributionOceania: endemic to New Zealand.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceMedium, minimum population doubling time 1.4 - 4.4 years (tm = 1.5) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026