Mycteroperca olfax Sailfin Grouper, Golden Grouper

Mycteroperca olfax is commonly referred to as Sailfin Grouper, Golden Grouper. Difficulty in the aquarium: Not suitable for aquarium keeping. Toxicity: Toxic hazard unknown.

Dr. Gerald (Gerry) Robert Allen, Australien

Foto: Galapagos-Inseln

Courtesy of the author Dr. Gerald (Gerry) Robert Allen, Australien

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lexID:: 17705
AphiaID:: 273881

Scientific:: Mycteroperca olfax
German:: Segelflossen-Zackenbarsch
English:: Sailfin Grouper, Golden Grouper

Category:: Havabbor

Family tree:: Animalia (Kingdom) > Chordata (Phylum) > Teleostei (Class) > Perciformes (Order) > Epinephelidae (Family) > Mycteroperca (Genus) > olfax (Species)
Initial determination:: (Jenyns, ), 1840

Occurrence:: Cocos Island (Costa Rica), Columbia, Costa Rica, Ecuador, Galapagos Islands, Malpelo Island, Peru, South America (East Pacific), South East Pacific
Marine Zone:: Subtidal, sublittoral, infralittoral, deep zone of the oceans from the lower limit of the intertidal zone (intertidal) to the shelf edge at about 200 m water depth. neritic.
Sea depth:: 5 - 311 Meter
Habitats:: Coastal waters, Demersal (bottom-dwelling fish), Edges of reefs, Inshore, Reef walls
Size:: up to 47.24" (120 cm)
Weight:: 18.5 kg
Temperature:: 14,5 °F - 27,3 °F (14,5°C - 27,3°C)
Food:: Carnivore, Crabs, Crustaceans, Edible crab, Lobster, Predatory, Rock lobster, Schrimps, Small Sharks
Difficulty:: Not suitable for aquarium keeping
Offspring:: Not available as offspring
Toxicity:: Toxic hazard unknown

CITES:

Not evaluated

Red List:

Endangered (EN)

Related species at Catalog of Life:

Author:: Meerwasser-Lexikon Team
Publisher:: Meerwasser-Lexikon.de
Created:: 2025-09-05 20:57:13
Last edit:: 2025-09-08 19:28:44

Info

This grouper is found on rock walls, rocky reef slopes, underwater lava ridges, and other well-structured vertical rock formations.

Color: Olive to dark brown with darker and sometimes purple spots and short, broad stripes on the middle of the side.
Another color variation is solid brown, but completely yellow specimens also occur.

Mycteroperca olfax is heavily targeted by commercial fisheries and the grouper is now considered a highly endangered species, see the status on the IUCN Red List of Threatened Species.

Synonyms:
Mycteroperca olfax ruberrima Jordan & Bollman, 1890 · unaccepted
Serranus olfax Jenyns, 1840 · unaccepted

External links

AQUACULTURE AND FISHERIES: INTERDISCIPLINARY APPROACHES TO SUSTAINABLE DEVELOPMENT (en). Abgerufen am 05.09.2025.
First record of a spawning aggregation for the tropical eastern Pacific endemic grouper Mycteroperca olfax in the Galapagos Marine Reserve (en). Abgerufen am 05.09.2025.
FishBase (multi). Abgerufen am 05.09.2025.
IUCN Red List of Threatened Species. Version (multi). Abgerufen am 05.09.2025.
Mercury in fish tissues from the Galapagos marine reserve: Toxic risk and health implications (en). Abgerufen am 05.09.2025.
Shorefishes of the Eastern Pacific online information system (multi). Abgerufen am 05.09.2025.
So Long and Thanks for All the Fish: Overexploitation of the Regionally Endemic Galapagos Grouper Mycteroperca olfax (Jenyns, 1840) (en). Abgerufen am 05.09.2025.

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