Neopomacentrus filamentosus

Pomacentridae
Brown Demoiselle, Blue-spotted Demoiselle, Long-lobed Demoiselle
  • Neopomacentrus filamentosus, Adult, Exmouth, WA, Photo: Andrew Green
    Neopomacentrus filamentosus, Adult, Exmouth, WA, Photo: Andrew Green
  • Neopomacentrus filamentosus, Adult, Exmouth, WA, Photo: Andrew Green
    Neopomacentrus filamentosus, Adult, Exmouth, WA, Photo: Andrew Green
Distribution
Tropical Indo-Pacific
Description
Grey or blue with no distinct markings other than blue margin around fins, and sometimes fine spots on tail base. No earspot. Can be extremely abundant in some sheltered locations.
Information
  • Max Size: 11 cm
  • Sea Temperature Range: 20.9-31.8°C
  • Depth: 1-12m
  • Habitat: Coral Reef, Rocky Reef, Soft sediment
  • Habitat Generalisation Index: 8.6
    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: Habitat degradation
  • 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: Large aggregations (286 per transect)
    Abundance is calculated as the average number of individuals recorded per RLS transect, where present.
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