HomeFish encyclopediaRay-finned fishesPerch-like fishGobiesOuwen's goby Ouwen's goby (Sicyopterus ouwensi) Scientific name: Sicyopterus ouwensi Weber, 1913 The Ouwen's goby (Sicyopterus ouwensi) is a freshwater fish of the family Gobiidae. Native range: Asia and Oceania, Indonesia, New Guinea, Bougainville and Marquesas islands. It seems likely that the Marquesan specimens may represent a different species. BiologyDorsal spines (total): 7; Dorsal soft rays (total): 10-11; Anal spines: 1; Anal soft rays: 10Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSicyopterus ouwensiFamilyGobiidae (Gobies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length10.0EnvironmentFreshwater; demersalClimateTropicalDistributionAsia and Oceania: Indonesia, New Guinea, Bougainville and Marquesas islands. It seems likely that the Marquesan specimens may represent a different species.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