HomeFish encyclopediaRay-finned fishesPerch-like fishGobiesHighfin goby Highfin goby (Gobionellus oceanicus) Scientific name: Gobionellus oceanicus Pallas, 1770 The Highfin goby (Gobionellus oceanicus) is a freshwater fish of the family Gobiidae. Native range: Western Atlantic, in tropical waters, including the Gulf of Mexico and the West Indies. Recorded from Guinea Bissau freshwaters to Benin. BiologyDorsal spines (total): 6; Dorsal soft rays (total): 14-15; Anal spines: 0; Anal soft rays: 15Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameGobionellus oceanicusFamilyGobiidae (Gobies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length30.0Common length4.7EnvironmentMarine; freshwater; brackish; demersal; amphidromousClimateSubtropicalDistributionWestern Atlantic: in tropical waters, including the Gulf of Mexico and the West Indies. Recorded from Guinea Bissau freshwaters to Benin.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