HomeFish encyclopediaRay-finned fishesPerch-like fishSnappersBlueline snapper Blueline snapper (Lutjanus coeruleolineatus) Scientific name: Lutjanus coeruleolineatus R?ppell, 1838 The Blueline snapper (Lutjanus coeruleolineatus) is a marine fish of the family Lutjanidae. Native range: Indian Ocean, seas surrounding the Arabian Peninsula except the northern Red Sea and the Persian Gulf. BiologyDorsal spines (total): 10; Dorsal soft rays (total): 12-14; Anal spines: 3; Anal soft rays: 8 - 9. Snout somewhat pointed, dorsal profile of head moderately sloped. Preorbital bone slightly narrower than eye diameter. Preopercular notch and knob poorly developed. Scale rows on back rising obliquely above lateral line. Generally yellow, darker on back, grading to whitish ventrally with a series of seven or eight narrow, blue, longitudinal stripes on the sides, a large blackish spot on the lateral line below the anterior portion of the soft dorsal rays, and blue spots and broken lines on the head.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameLutjanus coeruleolineatusFamilyLutjanidae (Snappers)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length40.0Common length20.0Depth range10–20 m (33–66 ft)EnvironmentMarine; reef-associated; depth range 10 - 20 mClimateTropicalDistributionIndian Ocean: seas surrounding the Arabian Peninsula except the northern Red Sea and the Persian Gulf.Conservation status (IUCN)Not EvaluatedThreat 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