HomeFish encyclopediaRay-finned fishesPerch-like fishGobiesWirz's goby Wirz's goby (Oxuderces wirzi) Scientific name: Oxuderces wirzi Koumans, 1937 The Wirz's goby (Oxuderces wirzi) is a freshwater fish of the family Gobiidae. Native range: Oceania, Papua New Guinea and northern Australia. BiologyOccurs in mud and sand bottoms at river mouths.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameOxuderces wirziFamilyGobiidae (Gobies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length10.5EnvironmentFreshwater; brackish; demersalClimateTropicalDistributionOceania: Papua New Guinea and northern Australia.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