Mycteroperca olfax

Sailfin grouper | Colorado Grouper | Yellow Grouper
Mycteroperca olfax
Mycteroperca olfax, Malpelo Island, Colombia, Photo: Graham Edgar
Mycteroperca olfax
Mycteroperca olfax, Galapagos Islands, Ecuador, Photo: Graham Edgar
Mycteroperca olfax
Mycteroperca olfax, Malpelo Island, Colombia, Photo: Graham Edgar
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Mycteroperca olfax
Mycteroperca olfax
Mycteroperca olfax

Distribution

Tropical Eastern Pacific


Description

Olive to dark brown with darker and sometime purplish spots and short broad bars on mid side. Another colour form plain brown. Found around walls, drop-offs and other well structured vertical formations.


Information

Max Size: 120 cm

Sea Temperature Range: 20.1-27.6°C

Depth: 5-73m

Habitat Generalization Index: 8.49

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: Vulnerable

Occurrence: Widespread (67.9% 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: Several (5 per transect)

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


Edit by: Joe Shields