Halichoeres richmondi

Richmonds wrasse | Chain-lined wrasse | Richmond's wrasse
Halichoeres richmondi
Halichoeres richmondi, male, Raja Ampat, Indonesia, Photo: Rick Stuart-Smith
Halichoeres richmondi
Halichoeres richmondi, female, Raja Ampat, Indonesia, Photo: Rick Stuart-Smith
Halichoeres richmondi
Halichoeres richmondi, female, Bali, Indonesia, Photo: Ian Shaw
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Halichoeres richmondi
Halichoeres richmondi
Halichoeres richmondi

Distribution

Tropical Indo-Pacific


Description

Males green with blue chain like stripes along body, blue margins on dorsal, tail and anal fins and blue-edged red stripes on face. Juveniles with an ocellus mid way along dorsal fin and a second ocellus on upper tail base. Females and juveniles with yellow and blue stripes along body similar to H. melanurus (Hoeven's Wrasse), best distinguished by presence of males.


Information

Max Size: 19 cm

Sea Temperature Range: 25.5-31.7°C

Depth: 1-15m

Habitat Generalization Index: 2.08

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: Infrequent (9.5% 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: Few (2 per transect)

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


Edit by: Joe Shields