- Body is greenish-olive or bright red
- Oval groups of dark spots form horizontal rows on the body
- Outer third of pectoral fins are bright yellow
- Small bright red spots are found on lower parts of large individuals
Similar Species: Black grouper, M. bonaci (lacks bright yellow on outer third of pectoral fins)
Size: Common to 20 pounds
Coastal to offshore waters, typically near reefs. Juveniles found in seagrass beds.
Undergoes sex reversal from female to male in latter part of life. Scientific name translates to "venomous," alluding to the fact that this fish, perhaps more frequently than other groupers, is associated with ciguatera poisoning.
Feeds on fishes and squid.