Chaetodon marleyiDoublesash butterflyfish | Marley's Butterflyfish
Temperate Africa, Tropical Indo-Pacific
White with three dark gold bands, the first over eye, the second broader and oblique over pectoral fin base and the third broader still and on the opposite slant on rear of body. A pair of ocelli on rear of dorsal fin with another dark blotch at the start, dorsal, anal and pelvic fins yellow and a dark gold band around tail base. Juveniles have black bars and only on ocellus on dorsal fin. Generally found over rocky and coral reefs but also inhabits tidal areas and estuaries, living amongst the weed.
Max Size: 20 cm
Sea Temperature Range: 14.9-24.1°C
Habitat Generalization Index: N/A
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: Least Concern
Occurrence: Widespread (66.7% 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: Several (6 per transect)
Abundance is calculated as the average number of individuals recorded per RLS transect, where present.
Edit by: Joe Shields