HomeFish encyclopediaRay-finned fishesPerch-like fishWrassesBlackspot wrasse Blackspot wrasse (Decodon melasma) Scientific name: Decodon melasma Gomon, 1974 The Blackspot wrasse (Decodon melasma) is a marine fish of the family Labridae. Native range: Eastern Pacific, Gulf of California to Ecuador. BiologyBody moderately slender and compressed; head large and pointed; teeth caniniform, enlarged, and somewhat crooked, two anterior pairs in each jaw; dorsal fin continuous, with 11 spines; lateral line slightly arched, with 28 scales; body reddish pink; belly paler; a black spot on the flank above posterior edge of pectoral fin; anal fin white.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameDecodon melasmaFamilyLabridae (Wrasses)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length32.3Common length16.0Depth range40–160 m (131–525 ft)EnvironmentMarine; reef-associated; depth range 40 - 160 mClimateTropicalDistributionEastern Pacific: Gulf of California to Ecuador.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: commercialResilienceMedium, 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