Divers Might Have TWO Chances To See Florida Keys Coral Spawning

Every year, patrons of Florida Keys dive and snorkel shops play a guessing game. Locals and visitors alike try to guess the date and time of the annual coral spawn -- sometimes nicknamed "sex on the reef" -- on North America's only living coral barrier reef, which parallels the island chain. This year, however, guessing the correct date and time is complicated by two full moons 30 days apart that are likely to create two spawns instead of one...