HomeMarine aquarium fishGobies, blennies & dottybacksBluestriped fangblenny Bluestriped fangblenny (Plagiotremus rhinorhynchos) Scientific name: Plagiotremus rhinorhynchos Bleeker, 1852 The Bluestriped fangblenny (Plagiotremus rhinorhynchos) is a marine fish of the family Blenniidae. BiologyDorsal spines (total): 10 - 12; Dorsal soft rays (total): 31-37; Anal spines: 2; Anal soft rays: 29 - 33. Adults variable in color, ranging from black to yellow; 2 blue stripes on body.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePlagiotremus rhinorhynchosFamilyBlenniidae (Combtooth blennies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length12.0Depth range1–40 m (3–131 ft)EnvironmentMarine; reef-associated; depth range 1 - 40 mClimateTropicalDistributionIndo-Pacific: Red Sea south to Knysna, South Africa and east to the Line, Marquesan and Society islands, north to southern Japan, south to Lord Howe Island. Replaced by Plagiotremus ewaensis in the Hawaiian Islands.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More gobies, blennies & dottybacksFire gobyNemateleotris magnificaYellow prawn-gobyCryptocentrus cinctusPersian blennyEcsenius midasYellowhead jawfishOpistognathus aurifronsPiano fangblennyPlagiotremus tapeinosomaStriped poison-fang blenny mimicPetroscirtes brevicepsSee all gobies, blennies & dottybacks SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026