HomeMarine aquarium fishClownfish & damselfishLagoon damselfish Lagoon damselfish (Hemiglyphidodon plagiometopon) Scientific name: Hemiglyphidodon plagiometopon Bleeker, 1852 The Lagoon damselfish (Hemiglyphidodon plagiometopon) is a marine fish of the family Pomacentridae. BiologyDorsal spines (total): 13; Dorsal soft rays (total): 14-15; Anal spines: 2; Anal soft rays: 14 - 15. Juveniles are yellow-orange postero-ventrally and brown antero-dorsally with numerous blue line and spots on the face and on the back.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameHemiglyphidodon plagiometoponFamilyPomacentridae (Damselfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length18.0Depth range1–20 m (3–66 ft)EnvironmentMarine; reef-associated; non-migratory; depth range 1 - 20 mClimateTropicalDistributionWestern Pacific: Thailand (Phuket), China, Philippines, Indonesia, New Guinea, Timor Sea (Ashmore Reef), Western Australia, Great Barrier Reef, New Britain and Solomon Islands.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: minor commercial; aquarium: commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.) More clownfish & damselfishRolland's demoiselleChrysiptera rollandiStaghorn damselfishAmblyglyphidodon curacaoBlack-axil chromisChromis atripectoralisYellowtail clownfishAmphiprion clarkiiAgile chromisChromis agilisAmbon chromisChromis amboinensisSee 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