- Matthew Tratt was mauled by a shark off Indian Head on Fraser Island yesterday
- Mr Tratt's brother managed to drag him up onto rocks on the headland
- Witnesses and an off-duty doctor and nurse tried to revive him for nearly an hour
- Mr Tratt's injuries to his left leg were too severe and he died at the scene
The devastated widow of a man mauled to death by a shark on Fraser Island on Saturday has shared a photo of her late husband.
Matthew Tratt, 36, was attacked by a by a suspected great white shark off Indian Head at about 2pm while spear fishing with his brother.
Mr Tratt's brother dragged him up onto rocks on the headland where bystanders, and an off-duty doctor and nurse tried to revive him for nearly an hour.
An ambulance emergency team was winched down by a rescue chopper, but Mr Tratt's left leg injuries were too severe and he died at the scene.
Mr Tratt, an air-conditioning contractor from Buderim, leaves behind two children and his wife Kayla.
Ms Tratt posted a photo of her and her husband to Facebook on Sunday night, before tributes from family and friends began.
'We can't comprehend what you are going though right now Kayla,' friend Stacey Bates commented.
'Our hearts are hurting for you and the kids so much. This is a gorgeous photo, you have so many pictures and beautiful memories to cherish in your heart forever.'
Mr Tratt's friend Wayne Stievano and fishing buddy said he wished he could have been there to save him.
'Still can't believe you're gone Matthew Tratt,' he posted on Facebook.
'You were taken way too early, you always had my back in the water, I only wish I could have been there today to have yours.
'We love you and miss you buddy, until we meet again, rest easy mate.'
Queensland Premier Annastacia Palaszczuk described Mr Tratt's death as 'brutal' and paid her condolences to his family,
'It's once again a reminder that, especially around that Fraser Island area, it is home to a lot of sharks, and great whites,' she said in Sunday.
Fraser Coast Mayor George Seymour said the local community was deeply saddened by the tragedy.
'This a tremendously sad day for our community,' Mr Seymour wrote on Facebook.
'Our deepest condolences go to this young man's family and friends.
'The loss of a young life with his future before him is a tragedy beyond words and we share their sadness and grief.'
It is Australia's fourth fatal shark attack this year.
Last month, Gold Coast surfer Rob Pedretti, 60, died after he was mauled by the three-metre white shark at Salt Beach at South Kingscliff in northern NSW.
A shark also killed 23-year-old Queensland wildlife ranger Zachary Robba in April off North West Island in the southern Great Barrier Reef.
Experienced diver Gary Johnson, 57, was killed by a shark near Cull Island in Esperance on Western Australia's south coast in January.
A report will be prepared for the coroner.