HomeFish encyclopediaRay-finned fishesPerch-like fishGobiesDual-spotted goby Dual-spotted goby (Mugilogobius duospilus) Scientific name: Mugilogobius duospilus Fowler, 1953 The Dual-spotted goby (Mugilogobius duospilus) is a freshwater fish of the family Gobiidae. Native range: Asia and Oceania, widespread from Indonesia to New Caledonia. 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 nameMugilogobius duospilusFamilyGobiidae (Gobies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length3.0EnvironmentFreshwater; brackish; demersalClimateTropicalDistributionAsia and Oceania: widespread from Indonesia to New Caledonia.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