HomeFish encyclopediaRay-finned fishesPerch-like fishCombtooth blenniesBarchin blenny Barchin blenny (Rhabdoblennius rhabdotrachelus) Scientific name: Rhabdoblennius rhabdotrachelus Fowler & Ball, 1924 The Barchin blenny (Rhabdoblennius rhabdotrachelus) is a marine fish of the family Blenniidae. Native range: Pacific Ocean, Guam to Marquesas. BiologyDorsal spines (total): 12; Dorsal soft rays (total): 18-19; Anal spines: 2; Anal soft rays: 20 - 21Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameRhabdoblennius rhabdotrachelusFamilyBlenniidae (Combtooth blennies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length4.1EnvironmentMarine; reef-associatedClimateTropicalDistributionPacific Ocean: Guam to Marquesas.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