Isle of Man 'quite capable' of protecting fishing grounds Fishing protection vessel Barrule conducting regular patrols The Isle of Man is 'quite capable' of protecting its own fishing grounds without help from the UK. That's from Environment Minister Geoffrey Boot as the end of the Brexit transition period nears, with the impact on the fishing industry still unclear. His department uses fishing protection vessel Barrule for regular patrols, while technology is able to track those breaking regulations. Mr Boot says the Irish Sea isn't expected to be under threat: