HomeFish encyclopediaRay-finned fishesPerch-like fishCombtooth blenniesHorned rockskipper Horned rockskipper (Antennablennius bifilum) Scientific name: Antennablennius bifilum G?nther, 1861 The Horned rockskipper (Antennablennius bifilum) is a marine fish of the family Blenniidae. Native range: Western Indian Ocean, Persian Gulf to Port Alfred, South Africa. BiologyDorsal spines (total): 11 - 13; Dorsal soft rays (total): 17-20; Anal spines: 2; Anal soft rays: 17 - 21. Body with about 7 dark bands and numerous dark-margined pale spots.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAntennablennius bifilumFamilyBlenniidae (Combtooth blennies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length7.5Depth range18–37 m (59–121 ft)EnvironmentMarine; demersal; depth range 18 - 37 mClimateTropicalDistributionWestern Indian Ocean: Persian Gulf to Port Alfred, South Africa.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