HomeFish encyclopediaRay-finned fishesPerch-like fishCombtooth blenniesMarianas rockskipper Marianas rockskipper (Praealticus poptae) Scientific name: Praealticus poptae Fowler, 1925 The Marianas rockskipper (Praealticus poptae) is a marine fish of the family Blenniidae. Native range: Western Central Pacific, Mariana Islands. BiologyDorsal spines (total): 13; Dorsal soft rays (total): 17-19; Anal spines: 2; Anal soft rays: 17 - 20Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePraealticus poptaeFamilyBlenniidae (Combtooth blennies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length4.7EnvironmentMarine; reef-associatedClimateTropicalDistributionWestern Central Pacific: Mariana 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