Halichoeres margaritaceus, Coral Sea, Australia, Photo: Graham Edgar
Halichoeres margaritaceus, Photo: Graham Edgar
Distribution
Temperate Australasia, Tropical Indo-Pacific
Description
Males green with pink/red mottling on body and lines on face, yellowish belly, black spot in centre of dorsal fin, curved pink line around a horizontal bar on cheek distinguishes this species from similarly marked species. Females olivaceous with irregular white spots on back, white belly with a broad, oblique, pink band between pelvic and anal fins, ocellus in middle of dorsal fin, and a black patch behind eye. Sub-adult males with large black patch on side.
Information
Max Size: 13 cm
Sea Temperature Range: 19.3-29.8°C
Depth: 1-15m
Habitat: Coral Reef, Rocky Reef, Seagrass
Habitat Generalisation Index: 7.2
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
Rarity
IUCN Threat Status: Least Concern
Occurrence: Infrequent (6% 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 (8 per transect)
Abundance is calculated as the average number of individuals recorded per RLS transect, where present.
Copyright to the photographs on this site belongs solely to the credited photographers. Any requests for usage can be directed to the photographer through
[email protected].