Chrysiptera notialis

Southern damsel
Chrysiptera notialis
Chrysiptera notialis, Lord Howe Is, NSW, Photo: Rick Stuart-Smith
Chrysiptera notialis
Chrysiptera notialis, Lord Howe Is, NSW, Photo: Ian Shaw
Chrysiptera notialis
Chrysiptera notialis, Lord Howe Is, NSW, Photo: Rick Stuart-Smith
Chrysiptera notialis
Chrysiptera notialis, Lord Howe Is, NSW, Photo: Rick Stuart-Smith
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Chrysiptera notialis
Chrysiptera notialis
Chrysiptera notialis
Chrysiptera notialis

Distribution

Tropical Indo-Pacific


Description

Elongate body, colour often grading from lighter head to darker rear. Long, floppy tail and fins often give ragged appearance. Fine blue line along outer margin of fins. Locally very abundant, found in loose groups of varying size.


Information

Max Size: 9 cm

Sea Temperature Range: 18.7-25.3°C

Depth: 7-45m

Habitat Generalization Index: 14.93

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: Infrequent (8.3% 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 (65 per transect)

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