HomeFish encyclopediaRay-finned fishesPerch-like fishCombtooth blenniesPacific rockskipper Pacific rockskipper (Entomacrodus cymatobiotus) Scientific name: Entomacrodus cymatobiotus Schultz & Chapman, 1960 The Pacific rockskipper (Entomacrodus cymatobiotus) is a marine fish of the family Blenniidae. Native range: Pacific Ocean, Caroline, Marshall, Kermadec, Line, and Tuamoto Islands. BiologyDorsal spines (total): 13; Dorsal soft rays (total): 13-14; Anal spines: 2; Anal soft rays: 15Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameEntomacrodus cymatobiotusFamilyBlenniidae (Combtooth blennies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length2.7EnvironmentMarine; reef-associatedClimateTropicalDistributionPacific Ocean: Caroline, Marshall, Kermadec, Line, and Tuamoto 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