HomeFish encyclopediaRay-finned fishesPerch-like fishGobiesScalycheek goby Scalycheek goby (Aulopareia janetae) Scientific name: Aulopareia janetae Smith, 1945 The Scalycheek goby (Aulopareia janetae) is a brackish-water fish of the family Gobiidae. Native range: Western Pacific, Gulf of Thailand to Viet Nam. Recorded from the Mekong delta and may possibly occur in the tidal zone as far upstream as Cambodia. BiologyFound along coastlines, bays and estuaries. Known to occur in brackish water and may also be found in freshwater. Feed on small fishes and invertebrates. Not seen in the markets.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAulopareia janetaeFamilyGobiidae (Gobies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length8.0EnvironmentMarine; brackish; demersal; amphidromousClimateTropicalDistributionWestern Pacific: Gulf of Thailand to Viet Nam. Recorded from the Mekong delta and may possibly occur in the tidal zone as far upstream as Cambodia.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