So far, the investigation team has established that the body found was a white male, aged between 30 and 60 and about 6ft (1.8 metres).

“The wetsuit that he was wearing was classed as an XXL size which gave us a weight range of approximately 200 to 220 pounds,” Ponting said.

“And that is pretty much what we were able to establish from our initial inquiries.”

She is now hoping the new facial reconstruction by a team at Liverpool John Moores University might change all that.

Police provided the university’s Face Lab team with photographs, a post-mortem report, a forensic dental report and a CT scan, which the specialists then used to create a 3D model with medical imaging software.

They used the dental report and images to create the shape of the man’s lower face and mouth, identifying that he had protruding teeth and a left-sided cross bite.

They then estimated the shape of the man’s face, lips and nose by adding muscles to the model and established he had a rounded chin and square jawline, with a down-turned nose.