HomeMarine aquarium fishAngelfish & butterflyfishThreespot angelfish Threespot angelfish (Apolemichthys trimaculatus) Scientific name: Apolemichthys trimaculatus Cuvier, 1831 The Threespot angelfish (Apolemichthys trimaculatus) is a marine fish of the family Pomacanthidae. Native range: Indo-West Pacific, East Africa south to 28?S and east to Samoa, north to southern Japan, south to Australia. BiologyDorsal spines (total): 14; Dorsal soft rays (total): 16-18; Anal spines: 3; Anal soft rays: 17 - 19. Body short and deep, and strongly compressed. Preorbital bone convex and without strong spines. Overall color is bright yellow with a broad black band on the edge of the anal fin and a broad white zone above it. A black spot is on the forehead and a ocellated dark spot just behind the head; the lips are blue. Juveniles have a false eye-spot at the base of the soft dorsal fin and a thin black line over the head, running through the eye.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameApolemichthys trimaculatusFamilyPomacanthidae (Angelfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length26.0Depth range3–40 m (10–131 ft)EnvironmentMarine; reef-associated; non-migratory; depth range 3 - 40 mClimateTropicalDistributionIndo-West Pacific: East Africa south to 28?S and east to Samoa, north to southern Japan, south to Australia.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: minor commercial; aquarium: commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.) More angelfish & butterflyfishPajama cardinalfishSphaeramia nematopteraBlack butterflyfishChaetodon flavirostrisCrochet butterflyfishChaetodon guentheriPhilippine butterflyfishChaetodon adiergastosBlacktail butterflyfishChaetodon austriacusPearlscale butterflyfishChaetodon xanthurusSee all angelfish & butterflyfish SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026