HomeFish encyclopediaRay-finned fishesPerch-like fishGobiesCheekscaled frill-goby Cheekscaled frill-goby (Bathygobius cotticeps) Scientific name: Bathygobius cotticeps Steindachner, 1879 The Cheekscaled frill-goby (Bathygobius cotticeps) is a brackish-water fish of the family Gobiidae. Native range: Indo-Pacific, East Africa to the Hawaiian, Marquesan and Tuamoto islands, north to southern Japan. BiologyDorsal spines (total): 7; Dorsal soft rays (total): 9; Anal spines: 1; Anal soft rays: 8. Depressed head. Young with broad dark saddles beneath dorsal fins, mottled to banded dorsal, pectoral and caudal fins that become dusky to black in adults.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameBathygobius cotticepsFamilyGobiidae (Gobies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length11.0Depth range1 m (3 ft)EnvironmentMarine; brackish; reef-associated; depth range 1 - ? mClimateTropicalDistributionIndo-Pacific: East Africa to the Hawaiian, Marquesan and Tuamoto islands, north to southern Japan.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