Caesio lunaris

Lunar Fusilier | Blue Fusilier | Moon Caesio | Moon Fusilier | Caesio lunares | Pterocaesio lunaris
Caesio lunarisCaesio lunaris, adult, Red Sea, Photo: Rick Stuart-Smith
Caesio lunarisCaesio lunaris, Coral Sea, Australia, Photo: Ian Shaw
Caesio lunarisCaesio lunaris, adult, Magdalene Cay, Coral Sea, Photo: Graham Edgar
Caesio lunarisCaesio lunaris, juvenile, Coral Sea, Qld, Photo: Andrew Green
Caesio lunarisCaesio lunaris, juvenile, Photo: Rick Stuart-Smith
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Caesio lunaris
Caesio lunaris
Caesio lunaris
Caesio lunaris
Caesio lunaris


Tropical Indo-Pacific


Blue body, black tail tips, and a black spot at pectoral fin base. Juveniles sometimes have yellow tail.


Max Size: 40 cm

Sea Temperature Range: 23.1-31.3°C

Depth: 0-50m

Habitat Generalization Index: 5.44

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.

Conservation and Rarity

IUCN Status: Not Evaluated

Occurrence: Infrequent (9.3% 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

Further Information