HomeFish encyclopediaRay-finned fishesPerch-like fishGobiesRobust mangrove goby Robust mangrove goby (Acentrogobius janthinopterus) Scientific name: Acentrogobius janthinopterus Bleeker, 1852 The Robust mangrove goby (Acentrogobius janthinopterus) is a freshwater fish of the family Gobiidae. Native range: Eastern Indian Ocean, Indonesia and western Australia. Western Pacific: Japan, Philippines and Indonesia. BiologyDorsal spines (total): 6 - 7; Dorsal soft rays (total): 10; Anal spines: 1; Anal soft rays: 8Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAcentrogobius janthinopterusFamilyGobiidae (Gobies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length12.5EnvironmentMarine; freshwater; brackish; reef-associated; amphidromousClimateTropicalDistributionEastern Indian Ocean: Indonesia and western Australia. Western Pacific: Japan, Philippines and Indonesia.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