Endangered
Sailfin grouper
Mycteroperca olfax
Sailfin grouper is found off islands in the eastern Pacific.
Appearance
The body is elongate, robust and compressed with its depth being the same at the origin of the dorsal fin as it is at the origin of the anal fin. The dorsal fin contains 11 spines and 16-17 soft rays while the anal fin contains 3 spines and 11 soft rays. The membranes between the dorsal fin spines are not deeply notched and the soft rayed part of the dorsal fin is rounded.
This species attains a total length of 120 centimetres (47 in). The standard length is 2.9 to 3.1 times the body's depth.
Range and habitat
The sailfin grouper is found in the eastern Pacific Ocean where it occurs in the waters off the Galapagos Islands of Ecuador, Cocos Island in Costa Rica and Malpelo Island of Colombia. The sailfin grouper occurs along rock walls, over rocky reef drop-offs, underwater lava ridges and around other vertical rock formations as adults, the juveniles have been recorded from shallow sandy lagoons, sea grass beds, mangrove lagoons, shallow lava reefs and even inland lava ponds. It is found off islands in the eastern Pacific.
Pins are Wikidata “endemic to” fields. Orange dots, when present, are GBIF occurrence tiles — survey bias included.
In crisis
Sailfin grouper is Endangered on this catalog because that is the IUCN category stored on Wikidata. Confirm the official criteria and any later count on iucnredlist.org.
Sources
Written for this catalog from the English Wikipedia article on Sailfin grouper, Wikidata item Q2243106. Family and order context is original field-guide writing about the group, not a copied assessment of this one species. Wikipedia text is CC BY-SA. Not an IUCN assessment. Counts, when quoted, can change — confirm them on the recovery programme and on iucnredlist.org.
