Fish ID >>Reef/Wreck 

yellowfin-grouper

Yellowfin Grouper

Mycteroperca venenosa

Description: Color highly greenish olive or bright red with longitudinal rows or darker black blotches over entire fish; outer one-third of pectoral fins bright yellow; lower parts of larger fish with small bright red spots.

Similar Fish: Black grouper, M. bonaci; other grouper.

Where Found: Offshore on reefs off southern portions of Florida.

Size: Common to 20 pounds.

Remarks: Undergoes sex change from female to male in latter part of life; specific name translated to “venomous,” alluding to the fact that this fish, perhaps more frequently than other grouper, is associated with ciguatera poisoning; feeds on fish and squid.

Illustration: © Diane Rome Peebles

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