Epinephelus corallicola

Coral rockcod | Black-dotted Cod | Duskyfin Grouper
Epinephelus corallicola
Epinephelus corallicola, Manowar Island, Gulf of Carpentaria, Australia, Photo: Graham Edgar
Epinephelus corallicola
Epinephelus corallicola, Raja Ampat, Indonesia, Photo: Andrew Green
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Epinephelus corallicola
Epinephelus corallicola


Tropical Indo-Pacific


Light grey grouper with an even scattering of black spots across body and fins, and a more or less distinct, irregular pattern of lighter grey blotches, often with dark patch midway along back below dorsal fin. Length to 49 cm.


Max Size: 49 cm

Sea Temperature Range: 20.8-30.8°C

Depth: 4-30m

Habitat Generalization Index: 0.64

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: Data Deficient

Occurrence: Infrequent (4.0% 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