Caesio lunaris

Caesionidae
Lunar Fusilier, Blue Fusilier, Moon Caesio, Moon Fusilier
  • Caesio lunaris, Adult, Red Sea, Photo: Rick Stuart-Smith
    Caesio lunaris, Adult, Red Sea, Photo: Rick Stuart-Smith
  • Caesio lunaris, Coral Sea, Australia, Photo: Ian Shaw
    Caesio lunaris, Coral Sea, Australia, Photo: Ian Shaw
  • Caesio lunaris, Adult, Magdalene Cay, Coral Sea, Photo: Graham Edgar
    Caesio lunaris, Adult, Magdalene Cay, Coral Sea, Photo: Graham Edgar
  • Caesio lunaris, Juvenile, Coral Sea, Qld, Photo: Andrew Green
    Caesio lunaris, Juvenile, Coral Sea, Qld, Photo: Andrew Green
  • Caesio lunaris, Juvenile. Photo: Rick Stuart-Smith
    Caesio lunaris, Juvenile. Photo: Rick Stuart-Smith
Distribution
Tropical Indo-Pacific
Description
Blue body, black tail tips, and a black spot at pectoral fin base. Juveniles sometimes have yellow tail.
Information
  • Max Size: 40 cm
  • Sea Temperature Range: 23.1-31.3°C
  • Depth: 0-50m
  • Habitat: Coral Reef
  • Habitat Generalisation Index: 5.4
    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: Not Evaluated
  • Occurrence: Infrequent (9% 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: Many (24 per transect)
    Abundance is calculated as the average number of individuals recorded per RLS transect, where present.
Edit by: RD Stuart-Smith, GJ Edgar, AJ Green, IV Shaw. 2015. Tropical Marine Fishes of Australia. Reed New Holland
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