HomeFish encyclopediaRay-finned fishesPerch-like fishGobiesCircumspect goby Circumspect goby (Glossogobius circumspectus) Scientific name: Glossogobius circumspectus Macleay, 1883 The Circumspect goby (Glossogobius circumspectus) is a freshwater fish of the family Gobiidae. Native range: Asia and Oceania, Thailand, Philippines, Malaysia, Indonesia and New Guinea. BiologyOccurs in brackish waters of tidal creeks and river mouths, usually among mangroves. Penetrates the lower reaches of freshwater streams within about 10 kilometers of the sea. Rests on mud, sand or gravel bottoms. Also.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameGlossogobius circumspectusFamilyGobiidae (Gobies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length12.0EnvironmentFreshwater; brackish; demersalClimateTropicalDistributionAsia and Oceania: Thailand, Philippines, Malaysia, Indonesia and New Guinea.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceMedium, minimum population doubling time 1.4 - 4.4 years (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