Choerodon anchorago

Anchor Tuskfish | Orange-dotted Tuskfish | White-belly Tuskfish | Yellowcheek Tuskfish
Choerodon anchorago
Choerodon anchorago, Raja Ampat, Indonesia, Photo: Andrew Green
Choerodon anchorago
Choerodon anchorago, Photo: Rick Stuart-Smith
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Choerodon anchorago
Choerodon anchorago


Tropical Indo-Pacific


Blunt, rounded grey head and back, with white chin and pale belly, triangular white bar cutting into grey around mid-body, and circular white patch at rear base of dorsal fin with dark patch between, dark spot on pectoral fin base, scattered orange spots over head and back, and yellow anal fin. Some individuals plain and unmarked.


Max Size: 38 cm

Sea Temperature Range: 22.3-31.1°C

Depth: 4-25m

Habitat Generalization Index: 1.39

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 (5.2% 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