HomeFish encyclopediaRay-finned fishesPerch-like fishGobiesParadox goby Paradox goby (Gobiosoma paradoxum) Scientific name: Gobiosoma paradoxum G?nther, 1861 The Paradox goby (Gobiosoma paradoxum) is a brackish-water fish of the family Gobiidae. Native range: Eastern Pacific, Guaymas, Mexico to Guayaquil, Ecuador. Reported from the northern coast of Peru. BiologyFound on soft bottoms in mangrove estuaries.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameGobiosoma paradoxumFamilyGobiidae (Gobies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)EnvironmentMarine; brackish; reef-associatedClimateTropicalDistributionEastern Pacific: Guaymas, Mexico to Guayaquil, Ecuador. Reported from the northern coast of Peru.Conservation status (IUCN)Least Concern (LC)Threat 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