Epinephelus quoyanus

Serranidae
Longfin Rockcod, Bar-breasted Rockcod, Barred-chest Rockcod, Honeycomb Grouper, Long-finned Grouper, Long-finned Rockcod, Longfin Rockcod, Rockfish Grouper
  • Epinephelus quoyanus, Southern Great Barrier Reef, Australia, Photo: Graham Edgar
    Epinephelus quoyanus, Southern Great Barrier Reef, Australia, Photo: Graham Edgar
  • Epinephelus quoyanus, Smith Is, Great Barrier Reef, QLD, Photo: Andrew Green
    Epinephelus quoyanus, Smith Is, Great Barrier Reef, QLD, Photo: Andrew Green
  • Epinephelus quoyanus, Great Keppel Is, QLD, Photo: Andrew Green
    Epinephelus quoyanus, Great Keppel Is, QLD, Photo: Andrew Green
  • Epinephelus quoyanus, Dampier, Western Australia, Photo: Rick Stuart-Smith
    Epinephelus quoyanus, Dampier, Western Australia, Photo: Rick Stuart-Smith
Distribution
Temperate Australasia, Tropical Indo-Pacific
Description
Small grouper with honeycomb pattern, very similar to E. merra (Birdwire Rockcod) but with polygonal spots on snout less numerous and larger (two spots between eye and upper lip), dark tailfin margin, and light and dark bars under lower jaw. Length to 31 cm.
Information
  • Max Size: 40 cm
  • Sea Temperature Range: 20.2-32.2°C
  • Depth: 1-50m
  • Habitat: Coral Reef, Soft sediment
  • Habitat Generalisation Index: 15.6
    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
  • Threats: Exploitation, Habitat degradation
  • IUCN Threat Status: Least Concern
  • Occurrence: Frequent (13% 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: Joe Shields
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