HomeFish encyclopediaRay-finned fishesPerch-like fishCombtooth blenniesTail-barred rockskipper Tail-barred rockskipper (Entomacrodus caudofasciatus) Scientific name: Entomacrodus caudofasciatus Regan, 1909 The Tail-barred rockskipper (Entomacrodus caudofasciatus) is a marine fish of the family Blenniidae. Native range: Indo-Pacific, Andamans to Ducie Islands, north to southern Japan, south to Cocos-Keeling, Kermadec, and Rapa Islands; Belau and Marshall Islands in Micronesia. BiologyDorsal spines (total): 13; Dorsal soft rays (total): 14-16; Anal spines: 2; Anal soft rays: 15 - 17Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameEntomacrodus caudofasciatusFamilyBlenniidae (Combtooth blennies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length6.2Depth range0–3 m (0–10 ft)EnvironmentMarine; reef-associated; depth range 0 - 3 mClimateTropicalDistributionIndo-Pacific: Andamans to Ducie Islands, north to southern Japan, south to Cocos-Keeling, Kermadec, and Rapa Islands; Belau and Marshall Islands in Micronesia.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