Brandon Beaver: Body of naked surfer covered in shark bites discovered floating in the water near San Diego The body of a naked surfer covered in shark bites was discovered near a San Diego beach. Authorities said on Friday they believe Brandon Beaver had been surfing on Wednesday and then drowned, before he was bitten by sharks. The 42-year-old man was found floating in the water early on Thursday, after his fiancee had reported him missing. Missing: Brandon Beaver, 42, was reported missing late on Wednesday by his fiancee. His body was discovered early on Thursday covered in shark bites Water: Another surfer said he had seen Beaver out on the water at Pacific Beach in San Diego on Wednesday Investigation: An autopsy has concluded that the San Diego surfer had drowned before being bitten by sharks San Diego Lifeguard Lt. John Everhart told KSWB-TV the man's surfboard was found separately with his wetsuit tied around it. 'I've been doing this 30 years almost and I've never seen someone do that. It's just a very strange decision to make when you're out on the water,' he said. The death is now under investigation. 'There was certainly a lot of trauma that was done to the body,' Everthart added. The man's fiancee, who has not been identified, reported him missing on Wednesday night when he didn't come back from surfing. A person walking along the shoreline spotted the body around 3:30am on Thursday. Death: The body of a naked surfer, Brandon Beaver, was found on Thursday covered in shark bites near Pacific Beach in San Diego Mysterious: The man's body was discovered by a pedestrian who spotted it floating in the water. The surfer had taken off his wetsuit and wrapped it around his surfboard Another surfer told the local news station that he had seen Beaver out on the water on Wednesday. 'I just saw him paddle off shore out there, going north just by himself,' Neil Ratnavara said. There were still a few people in the water. Not too waves, but there was nothing odd about that. An autopsy has concluded that a San Diego surfer whose body was found in the water had drowned before being bitten by sharks. Brandon Beaver's body was found floating offshore early Thursday, a day before he went missing during a surfing outing off Pacific Beach. The county Medical Examiner's office has concluded that Beaver drowned, and that the shark bites came in a 'post-mortem' attack. Trauma: The county Medical Examiner's office has concluded that Beaver drowned, and that the shark bites came in a 'post-mortem' attack (stock photo)