Pomachromis richardsoni

Pomacentridae
Richardsons Damsel, Richardson's Reef Damsel
  • Pomachromis richardsoni, Adult. Photo: Rick Stuart-Smith
    Pomachromis richardsoni, Adult. Photo: Rick Stuart-Smith
  • Pomachromis richardsoni, Adult. Photo: Rick Stuart-Smith
    Pomachromis richardsoni, Adult. Photo: Rick Stuart-Smith
Distribution
Tropical Indo-Pacific
Description
Silvery, sometimes with yellow head and back. Tail lobes black, with black marking of upper lobe beginning on tail base, dark margins on dorsal and anal fins, and a white or yellow spot at rear base of dorsal fin.
Information
  • Max Size: 6 cm
  • Sea Temperature Range: 23.0-30.7°C
  • Depth: 5-25m
  • Habitat: Coral Reef, Rocky Reef
  • Habitat Generalisation Index: 3.5
    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 (11% 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: Large aggregations (103 per transect)
    Abundance is calculated as the average number of individuals recorded per RLS transect, where present.
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