The biggest fish ever landed by a Clifden boat, a Giant Bluefin Tuna weighing over 800lbs, caught in 2003 on John Brittain's boat Bluewater. (Courtesy John Brittain)

A Blue Shark weighing approximately 145lbs caught off High Island in 2000. It was tagged & released by John Brittain. (Courtesy John Brittain)

Martin O Malley & John Brittain with a 708lb tuna on John's boat Bluewater. (Courtesy John Brittain)

A common Skate weighing over 200lbs, which was tagged & released off Inishbofin on board Bluewater. It would have been around 80 years old when caught. (Courtesy John Brittain)