Carcharhinus amblyrhynchos

Carcharhinidae
Grey Reef Shark, Blacktail Reef Shark
  • Carcharhinus amblyrhynchos, Herald Cays, Coral Sea, Photo: Rick Stuart-Smith
    Carcharhinus amblyrhynchos, Herald Cays, Coral Sea, Photo: Rick Stuart-Smith
  • Carcharhinus amblyrhynchos, Herald Cays, Coral Sea, Photo: Rick Stuart-Smith
    Carcharhinus amblyrhynchos, Herald Cays, Coral Sea, Photo: Rick Stuart-Smith
  • Carcharhinus amblyrhynchos, Adult, Tuamotus, Photo: Antonia Cooper
    Carcharhinus amblyrhynchos, Adult, Tuamotus, Photo: Antonia Cooper
Distribution
Tropical Eastern Pacific, Tropical Indo-Pacific
Description
Black margins to 2nd dorsal, ventral, tail and pectoral fins.
Information
  • Max Size: 255 cm
  • Sea Temperature Range: 20.9-31.3°C
  • Depth: 1-280m
  • Habitat: Coral Reef, Rocky Reef
  • Habitat Generalisation Index: 17.9
    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
  • Threats: By-catch, Exploitation
  • IUCN Threat Status: Near Threatened
  • Occurrence: Frequent (20% 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
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