HomeFish encyclopediaRay-finned fishesPerch-like fishGobiesBlack minigoby Black minigoby (Bathygobius niger) Scientific name: Bathygobius niger Smith, 1960 The Black minigoby (Bathygobius niger) is a marine fish of the family Gobiidae. Native range: Western Indian Ocean, South Africa, India and Sri Lanka. BiologyDorsal spines (total): 7; Dorsal soft rays (total): 10; Anal spines: 1; Anal soft rays: 8. Upper 6 or 7 pectoral rays free from membrane, with 4-7 branches; head very depressed; upper jaw protrudes; mental frenum usually with a straight or slightly curved margin; V frenum with a smooth margin; prepelvic area naked. TRB 23-24; PD 14-18.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameBathygobius nigerFamilyGobiidae (Gobies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length6.0EnvironmentMarine; demersal; non-migratoryClimateTropicalDistributionWestern Indian Ocean: South Africa, India and Sri Lanka.Conservation status (IUCN)Not EvaluatedThreat 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