Dischistodus pseudochrysopoecilus

Monarch Damsel
Dischistodus pseudochrysopoecilus
Dischistodus pseudochrysopoecilus, adult, Coral Sea, Australia, Photo: Ian Shaw
Dischistodus pseudochrysopoecilus
Dischistodus pseudochrysopoecilus, adult, Photo: Rick Stuart-Smith
Dischistodus pseudochrysopoecilus
Dischistodus pseudochrysopoecilus, Intermediate. Great Barrier Reef, Cairns, Qld, Photo: Andrew Green
Dischistodus pseudochrysopoecilus
Dischistodus pseudochrysopoecilus, juvenile, Great Barrier Reef, Cairns, Qld, Photo: Andrew Green
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Dischistodus pseudochrysopoecilus
Dischistodus pseudochrysopoecilus
Dischistodus pseudochrysopoecilus
Dischistodus pseudochrysopoecilus

Distribution

Tropical Indo-Pacific


Description

Dark body with prominent white patch on central back, below dorsal fin, and blue and/or yellow lines on dorsal, anal and tail fins. Juvenile similar to that of D. prosopotaenia (Honeyhead Damsel) with two white bars on body and large ocellus on upper back, but distinguished by small dark earspot and darker tail.


Information

Max Size: 18 cm

Sea Temperature Range: 23.6-30°C

Depth: 1-5m

Habitat Generalization Index: 8.13

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 (14.3% 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: Several (10 per transect)

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