Lutjanus decussatus, Rowley Shoals, Western Australia, Photo: Graham Edgar
Lutjanus decussatus, North WA, Australia, Photo: Andrew Green
Lutjanus decussatus, Bali, Indonesia, Photo: Ian Shaw
Pale body with rust-brown chequered pattern above midline, two reddish stripes below, a large black spot on tail base, and light fins with red submargin on dorsal.
Max Size: 35 cm
Sea Temperature Range: 25.4-31.3°C
Habitat: Coral Reef, Soft sediment
Habitat Generalisation Index: 9.7
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
IUCN Threat Status: Least Concern
Occurrence: Widespread (53% 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: Several (6 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