HomeFish encyclopediaRay-finned fishesPerch-like fishCombtooth blenniesPygmy blenny Pygmy blenny (Nannosalarias nativitatis) Scientific name: Nannosalarias nativitatis Regan, 1909 The Pygmy blenny (Nannosalarias nativitatis) is a marine fish of the family Blenniidae. BiologyDorsal spines (total): 12; Dorsal soft rays (total): 15-16; Anal spines: 2; Anal soft rays: 16 - 18. Identified by a simple tentacle above eye, small white spots on face and large black spot on throat. Males have a distinct black blotch ventrally on each side of the head.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameNannosalarias nativitatisFamilyBlenniidae (Combtooth blennies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length5.0Depth range4–12 m (13–39 ft)EnvironmentMarine; reef-associated; depth range 4 - 12 mClimateTropicalDistributionIndo-West Pacific: Christmas Island in the eastern Indian Ocean east to Samoa, north to the Ryukyu Islands, south to Rowley Shoals and the southern Great Barrier Reef and Tonga; Pohnpei 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