HomeFish encyclopediaRay-finned fishesPerch-like fishGobiesHole goby Hole goby (Oplopomops diacanthus) Scientific name: Oplopomops diacanthus Schultz, 1943 The Hole goby (Oplopomops diacanthus) is a marine fish of the family Gobiidae. Native range: Indian Ocean, Maldives. Pacific Ocean: Kapingamarangi (?), Marshall and Phoenix Islands. BiologyDorsal spines (total): 7; Dorsal soft rays (total): 10; Anal spines: 1; Anal soft rays: 9 - 11Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameOplopomops diacanthusFamilyGobiidae (Gobies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length7.5Depth range10 m (33 ft)EnvironmentMarine; reef-associated; depth range ? - 10 mClimateTropicalDistributionIndian Ocean: Maldives. Pacific Ocean: Kapingamarangi (?), Marshall and Phoenix Islands.Conservation status (IUCN)Not EvaluatedThreat 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