Cypho purpurascens

Lavender Dottyback | Oblique-lined Dottyback
Cypho purpurascens
Cypho purpurascens, Coral Sea, Australia, Photo: Graham Edgar
Cypho purpurascens
Cypho purpurascens, Photo: Rick Stuart-Smith
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Cypho purpurascens
Cypho purpurascens


Tropical Indo-Pacific


Pink/red elongate body, blue line around lower and rear margin of eye, dark scale edges forming thin oblique lines down forebody, orange-yellow patch on opercle and ocellus on dorsal fin sometimes visible on males. Females purplish grey on head becoming yellowish orange towards rear of body. Very shy. Length to 8 cm.


Max Size: 8 cm

Sea Temperature Range: 21.7-30.3°C

Depth: 2-40m

Habitat Generalization Index: 11

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: Frequent (18.1% 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: Solitary (1 per transect)

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

Edit by: Joe Shields