Neopomacentrus azysron

Yellowtail Demoiselle | Orange-tail Damselfish | Yellow-tail Damselfish
Neopomacentrus azysron
Neopomacentrus azysron, WA, Australia, Photo: Rick Stuart-Smith
Neopomacentrus azysron
Neopomacentrus azysron, Photo: Rick Stuart-Smith
Neopomacentrus azysron
Neopomacentrus azysron, Raja Ampat, Indonesia, Photo: Rick Stuart-Smith
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Neopomacentrus azysron
Neopomacentrus azysron
Neopomacentrus azysron

Distribution

Tropical Indo-Pacific


Description

Dark blue-grey to brown body and yellow tail, similar to N. bankieri (Chinese demoiselle,) but with larger black spot at pectoral fin base and dark earspot. Can occur in huge schools near bommies on channel edges.


Information

Max Size: 8 cm

Sea Temperature Range: 22.1-31.3°C

Depth: 1-12m

Habitat Generalization Index: 17.57

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.


Conservation and Rarity

IUCN Status: Not Evaluated

Occurrence: Common (30.5% 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 (299 per transect)

Abundance is calculated as the average number of individuals recorded per RLS transect, where present.