HomeFish encyclopediaRay-finned fishesClingfishesClingfishes and singleslitsPeninsular clingfish Peninsular clingfish (Gobiesox juniperoserrai) Scientific name: Gobiesox juniperoserrai Espinosa P?rez & Castro-Aguirre, 1996 The Peninsular clingfish (Gobiesox juniperoserrai) is a freshwater fish of the family Gobiesocidae. Native range: North America, Pozas del Vado creek, southwest of Sierra La Giganta, Baja California Sur, Mexico. BiologyDorsal soft rays (total): 13-14; Anal soft rays: 7 - 8; Vertebrae: 27. Caudal fin rays 13-14.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameGobiesox juniperoserraiFamilyGobiesocidae (Clingfishes and singleslits)OrderGobiesociformes (Clingfishes)ClassActinopterygii (Ray-finned fishes)Maximum length10.5EnvironmentFreshwater; benthopelagicClimateTropicalDistributionNorth America: Pozas del Vado creek, southwest of Sierra La Giganta, Baja California Sur, Mexico.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