Chrysiptera brownriggiiSurge demoiselle | Chrysiptera brownriggii [dark form]
Two forms: yellow form similar to C. caeruleolineata, but has black spots below rear of dorsal fin and upper base of tail fin. Dark form with white bars around the middle of the body and across tail base, and light patch on cheek. Shallow wave-swept coral platforms. Split of the Pacific populations of this species as C. leucopoma not yet recognised in major databases.
Max Size: 8 cm
Sea Temperature Range: 21.7-30.6°C
Habitat Generalization Index: 2.57
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: Infrequent (3.4% 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 (21 per transect)
Abundance is calculated as the average number of individuals recorded per RLS transect, where present.
Edit by: Ian Shaw