HomeFish encyclopediaRay-finned fishesPerch-like fishGobiesKnobchin goby Knobchin goby (Gobiosoma nudum) Scientific name: Gobiosoma nudum Meek & Hildebrand, 1928 The Knobchin goby (Gobiosoma nudum) is a marine fish of the family Gobiidae. Native range: Eastern Central Pacific, Baja California, Mexico to Panama. BiologyInhabits tide pools and shallow rocky reefs.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameGobiosoma nudumFamilyGobiidae (Gobies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length4.5EnvironmentMarine; reef-associatedClimateTropicalDistributionEastern Central Pacific: Baja California, Mexico to Panama.Conservation status (IUCN)Data deficient (DD)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