Pomacentrus australis

Pomacentridae
Australian Damsel
  • Pomacentrus australis, Adult, Tweed Heads, NSW, Photo: Ian Shaw
    Pomacentrus australis, Adult, Tweed Heads, NSW, Photo: Ian Shaw
  • Pomacentrus australis, Adult, Coffs Harbour, NSW, Photo: Ian Shaw
    Pomacentrus australis, Adult, Coffs Harbour, NSW, Photo: Ian Shaw
  • Pomacentrus australis, Juvenile, Great Keppel Is, QLD, Photo: Rick Stuart-Smith
    Pomacentrus australis, Juvenile, Great Keppel Is, QLD, Photo: Rick Stuart-Smith
  • Pomacentrus australis, Adult, Great Keppel Is, QLD, Photo: Andrew Green
    Pomacentrus australis, Adult, Great Keppel Is, QLD, Photo: Andrew Green
  • Pomacentrus australis, Great Keppel Is, QLD, Photo: Rick Stuart-Smith
    Pomacentrus australis, Great Keppel Is, QLD, Photo: Rick Stuart-Smith
  • Pomacentrus australis, Great Keppel Is, QLD, Photo: Rick Stuart-Smith
    Pomacentrus australis, Great Keppel Is, QLD, Photo: Rick Stuart-Smith
Distribution
Temperate Australasia, Tropical Indo-Pacific
Description
Blue to blue-grey back usually with lighter underside. Juveniles bright blue becoming dull blue-grey with age. Dark earspot, dark tail margin and black patch at pectoral fin base. Light form lacks obvious dark pectoral base and tail margin.
Information
  • Max Size: 8 cm
  • Sea Temperature Range: 15.9-28.6°C
  • Depth: 5-35m
  • Habitat: Coral Reef, Rocky Reef, Soft sediment
  • Habitat Generalisation Index: 6.7
    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
  • IUCN Threat Status: Not Evaluated
  • Occurrence: Frequent (19% 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.
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