Paracaesio xanthura, NSW, Australia, Photo: Ian Shaw
Paracaesio xanthura, Juvenile. Photo: Rick Stuart-Smith
Paracaesio xanthura, Jervis Bay, NSW, Photo: Andrew Green
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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