HomeFish encyclopediaRay-finned fishesPerch-like fishGobiesFlat-backed goby Flat-backed goby (Mugilogobius platynotus) Scientific name: Mugilogobius platynotus G?nther, 1861 The Flat-backed goby (Mugilogobius platynotus) is a brackish-water fish of the family Gobiidae. Native range: Southwest Pacific, southeastern Australia. BiologyColor: brown, with darker mottling and a faint mid-lateral row of darker spots; dorsal fins with dark brown bands or spots; males with prominent yellow band near margin of dorsal fins and a yellowish anal fin.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameMugilogobius platynotusFamilyGobiidae (Gobies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length6.0EnvironmentMarine; brackish; demersalClimateSubtropicalDistributionSouthwest Pacific: southeastern Australia.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