Cephalopholis argus

Peacock groper | Argus Grouper | Blue-spotted Grouper | Peacock Hind | Peacock Rockcod | Worldwide-peacock Rockcod
Cephalopholis argusCephalopholis argus, Great Barrier Reef, Cairns, Australia, Photo: Andrew Green
Cephalopholis argusCephalopholis argus, Red Sea, Photo: Rick Stuart-Smith
Cephalopholis argusCephalopholis argus, adult, Coral Sea, Australia, Photo: Graham Edgar
Cephalopholis argusCephalopholis argus, adult, Bali, Indonesia, Photo: Ian Shaw
Cephalopholis argusCephalopholis argus, adult, NSW, Australia, Photo: Ian Shaw
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Cephalopholis argus
Cephalopholis argus
Cephalopholis argus
Cephalopholis argus
Cephalopholis argus


Temperate Australasia, Tropical Indo-Pacific


Olive body with a covering of small dark-edged, bright blue spots, often with light bars on rear half of body and triangular light patch below pectoral fin. C. cyanostigma (Bluespotted Rockcod) lacks pale patch below pectoral fin and many of the blue body spots are surrounded by a colour paler than the rest of the body.


Max Size: 60 cm

Sea Temperature Range: 22.3-31.3°C

Depth: 1-40m

Habitat Generalization Index: 20.64

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: Common (31.4% 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