Acanthurus leucocheilus

Acanthuridae
Pale Lipped Surgeonfish, White-spine Surgeon
  • Acanthurus leucocheilus, Bali, Indonesia, Photo: Graham Edgar
    Acanthurus leucocheilus, Bali, Indonesia, Photo: Graham Edgar
  • Acanthurus leucocheilus, Bali, Indonesia, Photo: Ian Shaw
    Acanthurus leucocheilus, Bali, Indonesia, Photo: Ian Shaw
  • Acanthurus leucocheilus, WA, Australia, Photo: Rick Stuart-Smith
    Acanthurus leucocheilus, WA, Australia, Photo: Rick Stuart-Smith
Distribution
Tropical Indo-Pacific
Description
Rounded head, grey lips, dark-edged white tail spine, tail lunate with a black-edged white rear margin, often displays a white band on inner tail, and a yellow or white streak up the middle of the pectoral fin.
Information
  • Max Size: 45 cm
  • Sea Temperature Range: 24.4-31.4°C
  • Depth: 3-40m
  • Habitat: Coral Reef
  • Habitat Generalisation Index: 1.2
    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
  • IUCN Threat Status: Least Concern
  • Occurrence: Infrequent (5% 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 (3 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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