from Jim Conrad's Naturalist Newsletter:
FISH of coastal Yucatan
Dolphin (mammal, not fish)
Gambusia, Yucatan
Grouper, Black
Grouper, Calico
Grouper, Red
Grunt, Bluestriped
Herring, Redear
Killifish, Rainwater
Mackerel, King
Molly, Yucatan
Mullet, White
Needlefish, Atlantic
Pipefish, Banded
Puffer, Checkered
Pupfish, Yucatan
Ray, Manta
Sargassum Fish
Scorpionfish, Spotted
Seabream, Western Atlantic
Sergeant Major
Shark, Bull
Snapper, Gray
Stingray, Southern
Tarpon, Atlantic
Tomtate
Tuna, Atlantic Bluefin