HomeFish encyclopediaRay-finned fishesPerch-like fishGobiesWhitespotted frillgoby Whitespotted frillgoby (Bathygobius coalitus) Scientific name: Bathygobius coalitus Bennett, 1832 The Whitespotted frillgoby (Bathygobius coalitus) is a marine fish of the family Gobiidae. Native range: Indo-Pacific, East Africa to the Hawaiian Islands, south to northern Australia and New Caledonia. Reported from the Penghu Islands. BiologyInhabits clear coastal reef flats, intertidal to about 5 meters depth. Benthic in tidepools and tidal flats; also from seaward reefs.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameBathygobius coalitusFamilyGobiidae (Gobies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length10.0Depth range0–5 m (0–16 ft)EnvironmentMarine; reef-associated; depth range 0 - 5 mClimateTropicalDistributionIndo-Pacific: East Africa to the Hawaiian Islands, south to northern Australia and New Caledonia. Reported from the Penghu 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