Lutjanus gibbusPaddletail snapper | Humpback Red Snapper | Humpback Snapper | Hunched Snapper | Paddle-tail Sea-perch | Red Snapper
Temperate Australasia, Temperate northern Pacific, Tropical Indo-Pacific
Adults with humped head profile, large dark tail with wide rounded lobes, fins red to black. Commonly in large stationary schools hovering over the reef during the day. Juveniles grey with large round black patch on tail base, yellow tail fin and vertical dark bar through eye.
Max Size: 50 cm
Sea Temperature Range: 24.1-31.5°C
Depth: 1-150 m
Habitat Generalization Index: 12.66
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: Frequent (11.3% 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 (22 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