HomeFish encyclopediaRay-finned fishesPerch-like fishGobiesTropical sand goby Tropical sand goby (Acentrogobius caninus) Scientific name: Acentrogobius caninus Valenciennes, 1837 The Tropical sand goby (Acentrogobius caninus) is a freshwater fish of the family Gobiidae. Native range: Indo-West Pacific. Freshwater records from Madagascar by Pellegrin were based on juveniles of unidentified species. BiologyEyes large. Caudal fin rounded. 4-5 larger mid-lateral spots.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAcentrogobius caninusFamilyGobiidae (Gobies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length13.0EnvironmentMarine; freshwater; brackish; demersal; amphidromousClimateTropicalDistributionIndo-West Pacific. Freshwater records from Madagascar by Pellegrin were based on juveniles of unidentified species.Conservation status (IUCN)Not EvaluatedThreat to humansPoisonous to eatResilienceHigh, 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