HomeFish encyclopediaRay-finned fishesClingfishesClingfishes and singleslitsClingfish Clingfish (Gobiesox nudus) Scientific name: Gobiesox nudus Linnaeus, 1758 The Clingfish (Gobiesox nudus) is a freshwater fish of the family Gobiesocidae. In the aquarium it needs water at 22–28°C (72–82°F). Native range: Central and South America, coastal Caribbean drainage rivers. Also known from Colombia and Venezuela. Clingfish care at a glanceTemperature22–28°C (72–82°F) BiologyDorsal soft rays (total): 8-9; Anal soft rays: 7Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameGobiesox nudusFamilyGobiesocidae (Clingfishes and singleslits)OrderGobiesociformes (Clingfishes)ClassActinopterygii (Ray-finned fishes)Maximum length15.0EnvironmentFreshwater; benthopelagicClimateTropicalDistributionCentral and South America: coastal Caribbean drainage rivers. Also known from Colombia and Venezuela.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceLow, minimum population doubling time 4.5 - 14 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