HomeMarine aquarium fishClownfish & damselfishBlueline demoiselle Blueline demoiselle (Chrysiptera caeruleolineata) Scientific name: Chrysiptera caeruleolineata Allen, 1973 The Blueline demoiselle (Chrysiptera caeruleolineata) is a marine fish of the family Pomacentridae. BiologyDorsal spines (total): 14; Dorsal soft rays (total): 11-13; Anal spines: 2; Anal soft rays: 13 - 14. This species closely resembles the blue phase of C. leucopoma, but differs in several counts as well as details of coloration.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameChrysiptera caeruleolineataFamilyPomacentridae (Damselfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length6.0Depth range20–65 m (66–213 ft)EnvironmentMarine; reef-associated; non-migratory; depth range 20 - 65 mClimateTropicalDistributionIndo-West Pacific: eastern Indian Ocean (Rowely Shoals), New Guinea, Coral Sea, Solomon Islands, Fiji, Samoa, Guam, and Ryukyu Islands. Eastern Indian Ocean: Australia (Rowely Shoals). Absent from most Indo-Australian coastal reefs.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More clownfish & damselfishTwinspot damselfishChrysiptera biocellataSapphire devilChrysiptera cyaneaSurge damselfishChrysiptera brownriggiiYellowbelly damselfishAmblyglyphidodon leucogasterGolden damselfishAmblyglyphidodon aureusScissortail sergeantAbudefduf sexfasciatusSee all clownfish & damselfish SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026