HomeFish encyclopediaRay-finned fishesPerch-like fishWrassesLargescale wrasse Largescale wrasse (Decodon grandisquamis) Scientific name: Decodon grandisquamis Smith, 1968 The Largescale wrasse (Decodon grandisquamis) is a marine fish of the family Labridae. Native range: Western Indian Ocean, off Mozambique. BiologyDorsal spines (total): 11; Dorsal soft rays (total): 9; Anal spines: 3; Anal soft rays: 10Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameDecodon grandisquamisFamilyLabridae (Wrasses)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length18.5Depth range200 m (656 ft)EnvironmentMarine; demersal; depth range ? - 200 mClimateTropicalDistributionWestern Indian Ocean: off Mozambique.Conservation status (IUCN)Data deficient (DD)Threat to humansHarmlessResilienceMedium, minimum population doubling time 1.4 - 4.4 years (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