Epinephelus marginatusDusky grouper | Yellowbelly Rockcod
Mediterranean, Temperate Africa, Temperate South America, Temperate northern Atlantic
Olive to dark grey, sometimes becoming pale on lower body, breast yellowish, irregular pale blotches on head and body, usually arranged in vertical series, broad, black outer margins on fins, and a yellow stripe along the top of the spiny dorsal fin. Solitary and territorial.
Max Size: 150 cm
Sea Temperature Range: 12.5-29.1°C
Habitat Generalization Index: N/A
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: Endangered
Occurrence: Common (24.6% 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: Solitary (1 per transect)
Abundance is calculated as the average number of individuals recorded per RLS transect, where present.
Edit by: Joe Shields