Ciguatera is common in the whole Caribbean region.
Dominicans consider Parrot fish a safe fish to eat. However, information on the Internet suggest otherwise.
The old golden rule suggesting you ought not to eat fish and especially sea food on months without an "R", is also well known here, even though, oyster peddlers on the beach will go to great lengths to try to explain tourists that their seafood out of too warm waters are "safe".
... J-D.