Uniform grey colour on upper surface becoming pale below, lacking distinctive markings. Predominant shark in wave exposed areas around remote oceanic pinnacles and reefs.
Max Size: 370 cm
Sea Temperature Range: 18.0-26.5°C
Habitat: Coral Reef, Rocky Reef
Habitat Generalisation Index: 13.3
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
Threats: By-catch, Exploitation
IUCN Threat Status: Near Threatened
Occurrence: Common (22% 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: Few (2 per transect)
Abundance is calculated as the average number of individuals recorded per RLS transect, where present.
Edit by: extract from RD Stuart-Smith, GJ Edgar, AJ Green, IV Shaw. 2015. Tropical Marine Fishes of Australia. Reed New Holland