HomeFish encyclopediaRay-finned fishesPerch-like fishGobiesIndo-Pacific tropical sand goby Indo-Pacific tropical sand goby (Favonigobius reichei) Scientific name: Favonigobius reichei Bleeker, 1853 The Indo-Pacific tropical sand goby (Favonigobius reichei) is a freshwater fish of the family Gobiidae. Native range: Indo-West Pacific, East Africa to the Philippines, north to Japan, south to northern Australia. BiologyDorsal spines (total): 7; Dorsal soft rays (total): 8; Anal spines: 1; Anal soft rays: 7 - 8. Body with small spots; sides with 4-5 groups of black spots, last spot on caudal peduncle often paired without a vertical bar at caudal base; median fins spotted; paired fins pale. Large males with dusky 1st dorsal, anal and pelvic fins.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameFavonigobius reicheiFamilyGobiidae (Gobies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length8.3EnvironmentMarine; freshwater; brackish; demersal; amphidromousClimateTropicalDistributionIndo-West Pacific: East Africa to the Philippines, north to Japan, south to northern Australia.Conservation status (IUCN)Lower Risk: near threatened (LR/nt)Threat to humansHarmlessUsesFisheries: of no interestResilienceHigh, 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