Apolemichthys trimaculatus

Pomacanthidae
Threespot Angelfish
  • Apolemichthys trimaculatus, Adult, Bali, Indonesia, Photo: Ian Shaw
    Apolemichthys trimaculatus, Adult, Bali, Indonesia, Photo: Ian Shaw
  • Apolemichthys trimaculatus, Adult, Torres Strait, Qld, Photo: Andrew Green
    Apolemichthys trimaculatus, Adult, Torres Strait, Qld, Photo: Andrew Green
Distribution
Tropical Indo-Pacific
Description
Yellow body with dark scale margins, anal fin pale with black margin, blue lips, black spot on forehead, dark earspot and a blue tinged spine on lower cheek. Juveniles with a second black spot below rear dorsal fin. Centropyge flavissima (Lemonpeel Angelfish) is smaller and has blue edge on gill cover, and blue margin on anal fin. Length to 26 cm.
Information
  • Max Size: 26 cm
  • Sea Temperature Range: 25.4-31.6°C
  • Depth: 3-60m
  • Habitat: Coral Reef
  • Habitat Generalisation Index: 3.6
    Also referred to as the SGI (Species generalisation index), this describes the habitat niche breadth of the species. Species with values less than 15 are found in a relatively narrow range of reef habitat types (specialists), while those over 25 may be found on most hard substrates within their range (generalists). Learn more here
Rarity
  • Threats: Climate change/warming, Exploitation, Habitat degradation
  • IUCN Threat Status: Least Concern
  • Occurrence: Infrequent (8% of sites)
    Occurrence describes how often the species is found on surveys within its distribution. It is calculated as the % of reef sites surveyed by RLS divers across all the ecoregions in which the species has been observed
  • Abundance: Few (2 per transect)
    Abundance is calculated as the average number of individuals recorded per RLS transect, where present.
Edit by: Joe Shields
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