Marlin Wakeman, 24, fell into a "shark den" after misjudging a jump on a Bahamas dock last month, with one bite narrowly missing his femoral artery, a doctor said.
A great white shark, now named Miss Pawla, was spotted twice off the coast of Alabama while researchers were monitoring fish movement in an artificial reef zone.
Trinidad & Tobago closed a marine park and 7 beaches on Friday after a shark attacked a British tourist at Turtle Beach along Great Courland Bay; the man was hospitalized after the attack.
Massachusetts-based scientists tagged a great white shark off South Carolina's coast and attached a camera to it which will fall off after about a day.