HomeFish encyclopediaRay-finned fishesPerch-like fishDragonetsSand dragonet Sand dragonet (Callionymus marleyi) Scientific name: Callionymus marleyi Regan, 1919 The Sand dragonet (Callionymus marleyi) is a marine fish of the family Callionymidae. Native range: Western Indian Ocean, southern Red Sea to the Cape of Good Hope, the Persian Gulf, and southwestern India. BiologyDorsal spines (total): 4; Dorsal soft rays (total): 9; Anal spines: 0; Anal soft rays: 8. Color varies from yellow to dark brown; 1st dorsal fin of males light grey with dark lines, 1st and 4th spines longest; 1st dorsal fin of females black, 1st spine longest, 4th spine shortest.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCallionymus marleyiFamilyCallionymidae (Dragonets)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length13.0Common length10.0Depth range1–20 m (3–66 ft)EnvironmentMarine; demersal; depth range 1 - 20 mClimateTropicalDistributionWestern Indian Ocean: southern Red Sea to the Cape of Good Hope, the Persian Gulf, and southwestern India.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: minor commercialResilienceHigh, 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