Paracaesio xanthura

Lutjanidae
Southern Fusilier, False Fusilier, Gold-backed Fusilier, Pedley's Fusilier, Southern Fusilier, Yellowtail Blue Snapper
  • Paracaesio xanthura, NSW, Australia, Photo: Ian Shaw
    Paracaesio xanthura, NSW, Australia, Photo: Ian Shaw
  • Paracaesio xanthura, Juvenile. Photo: Rick Stuart-Smith
    Paracaesio xanthura, Juvenile. Photo: Rick Stuart-Smith
  • Paracaesio xanthura, Jervis Bay, NSW, Photo: Andrew Green
    Paracaesio xanthura, Jervis Bay, NSW, Photo: Andrew Green
  • Paracaesio xanthura, Adult, Elizabeth Reef, NSW, Australia, Photo: Graham Edgar
    Paracaesio xanthura, Adult, Elizabeth Reef, NSW, Australia, Photo: Graham Edgar
Distribution
Temperate Australasia, Tropical Indo-Pacific
Description
Silver-blue body with yellow fusilier-like stripe along back to tail, large eye and mouth. Lacks black spot at base of pectoral fin present Caesio species (True Fusiliers). Lives in plankton-rich water on outer reef slopes.
Information
  • Max Size: 50 cm
  • Sea Temperature Range: 16.6-32.3°C
  • Depth: 5-150m
  • Habitat: Coral Reef, Rocky Reef
  • Habitat Generalisation Index: 4.6
    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
  • IUCN Threat Status: Not Evaluated
  • Occurrence: Frequent (11% 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 (41 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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