HomeFish encyclopediaRay-finned fishesPerch-like fishCombtooth blenniesBicolour fangblenny Bicolour fangblenny (Plagiotremus laudandus) Scientific name: Plagiotremus laudandus Whitley, 1961 The Bicolour fangblenny (Plagiotremus laudandus) is a marine fish of the family Blenniidae. BiologyDorsal spines (total): 7 - 10; Dorsal soft rays (total): 27-30; Anal spines: 2; Anal soft rays: 22 - 24. Color variable, usually grey-blue and posterior part of the body often paler or yellow.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePlagiotremus laudandusFamilyBlenniidae (Combtooth blennies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length8.0Depth range30 m (98 ft)EnvironmentMarine; reef-associated; depth range ? - 30 mClimateTropicalDistributionWestern Pacific: Philippines and Ryukyu Islands to the Gilbert Islands, New Caledonia, and Samoa, north to Izu Islands, south to Rowley Shoals and Lord Howe Island; throughout Micronesia. Subspecies Plagiotremus laudandus flavus occurs in Fiji and Tonga.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