Diploprion bifasciatum

Serranidae
Yellow Emperor, Barred Soapfish, Two-banded Grouper, Two-banded Perch, Two-banded Soapfish
  • Diploprion bifasciatum, Adult. Photo: Rick Stuart-Smith
    Diploprion bifasciatum, Adult. Photo: Rick Stuart-Smith
  • Diploprion bifasciatum, Juvenile, Great Barrier Reef, Cairns, Australia, Photo: Joe Shields
    Diploprion bifasciatum, Juvenile, Great Barrier Reef, Cairns, Australia, Photo: Joe Shields
  • Diploprion bifasciatum, Adult, Great Keppel Is, Qld, Photo: Andrew Green
    Diploprion bifasciatum, Adult, Great Keppel Is, Qld, Photo: Andrew Green
  • Diploprion bifasciatum, Adult, NSW, Australia, Photo: Ian Shaw
    Diploprion bifasciatum, Adult, NSW, Australia, Photo: Ian Shaw
Distribution
Tropical Indo-Pacific
Description
Yellow with a black bar through eye, black/purple band on body which sometimes spreads to cover rear half of body. Distinctive body shape and large rounded fins. Occasional individual black other than yellow rear fins. Juveniles yellow with a black blotch on first dorsal fin. Length to 25 cm.
Information
  • Max Size: 25 cm
  • Sea Temperature Range: 20.2-31.3°C
  • Depth: 1-100m
  • Habitat: Coral Reef, Rocky Reef
  • Habitat Generalisation Index: 15.1
    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: Not Evaluated
  • 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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