HomeFish encyclopediaRay-finned fishesPerch-like fishDamselfishesThai damsel Thai damsel (Pomacentrus polyspinus) Scientific name: Pomacentrus polyspinus Allen, 1991 The Thai damsel (Pomacentrus polyspinus) is a marine fish of the family Pomacentridae. Native range: Eastern Indian Ocean, Andaman Sea. BiologyDorsal spines (total): 14; Dorsal soft rays (total): 13-14; Anal spines: 2; Anal soft rays: 14Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePomacentrus polyspinusFamilyPomacentridae (Damselfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length7.0Depth range3–10 m (10–33 ft)EnvironmentMarine; reef-associated; non-migratory; depth range 3 - 10 mClimateTropicalDistributionEastern Indian Ocean: Andaman Sea.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, 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