I am also very interested to hear about this. I have been trying to get more info on bull shark dives in the Carribbean in general and all leads led to a dead end, including Walker Key which is now closed down.
First, let me say, I love sharks. I love diving with sharks in their natural habitat. I endure 2 hour boat rides frequently in the summer just to dive with sharks in North Carolina. Heck, The Shearwater is even on my short list because Jim Abernathy knows sharks. But, I can tell you straight up that the dive operators participating in the Bull Shark dives here in Playa del Carmen are, in my opinion, making a big mistake. There is alot of chatter in the community about this activity. The pros? Yeah, you may get to see sharks. The cons? Until some of the local shops started feeding, the Bull Sharks were seasonal. Now they're are reports of daily sightings including new sitings of sharks in areas where they are not usually seen. Their continued presence beyond the usual season has caused changes in fish activity including the failure of the large schools of Tarpon to return. This year I witnessed huge schools of regular reef fish (snappers, grunts, Angelfish, Blue Runners, etc.) moved up onto the shallow reef, franticly schooling together and "swarming" over the reef, a behavior often brought about by the presence of large predators in the water. For months we had erratic fish behavior.
The site where the sharks are being fed is not far off the beach, where hundreds of tourist and locals swim and snorkel year-round. The first time a tourist gets bitten, mass hysteria will prevail and swine flu and drug wars will be the least of our worries. Then every shark in the water here will be a "Man-Eater" and then fair game for every fisherman with a hook. The slaughter will be horrific.
The individuals who participate in the Bull Shark feedings here are hardly properly trained nor or they Marine Biologist educated in fish behavior. I truly believe the repercutions will be disasterous. The Bull Sharks can be aggressive. This past summer, one of the operators had a staff member bitten and taken to the hospital while feeding a Bull Shark. Hell, you'd think going to the hospital here would be excitement enough!
Come to Mexico. We have beautiful reefs, regular whale shark migrations, and magnificant cenotes for diving. But please, don't participate in these shark dives.
Rant Out. 