A rare shark attack near Bimini injured a Connecticut man during a guided snorkeling excursion in the Bahamas, turning a family anniversary trip into a painful ordeal. What happened? John Schweizer was in the Bahamas with family for his 40th wedding anniversary when he took part in a guided snorkeling experience involving Caribbean reef sharks, Local 12 reported. Tour guides said the sharks usually swam away after people entered the water. Inst…