Neopomacentrus cyanomos

Pomacentridae
Regal Demoiselle, Crescent Damsel, Regal Damsel, Violet Damselfish, Violet Demoiselle, Yellow-tailed Damselfish
  • Neopomacentrus cyanomos, Adult. Photo: Rick Stuart-Smith
    Neopomacentrus cyanomos, Adult. Photo: Rick Stuart-Smith
  • Neopomacentrus cyanomos, Adult. Photo: Rick Stuart-Smith
    Neopomacentrus cyanomos, Adult. Photo: Rick Stuart-Smith
Distribution
Tropical Indo-Pacific
Description
Slender dark body with white or yellow patch at base of rear dorsal fin, and black earspot. Localised colour variations of inner margin of tail and dorsal fins, which can be either transparent or yellow.
Information
  • Max Size: 10 cm
  • Sea Temperature Range: 22.1-31.3°C
  • Depth: 1-30m
  • Habitat: Coral Reef
  • Habitat Generalisation Index: 8.5
    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
  • Threats: Habitat degradation
  • IUCN Threat Status: Not Evaluated
  • Occurrence: Frequent (15% 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 (73 per transect)
    Abundance is calculated as the average number of individuals recorded per RLS transect, where present.
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