Update, 9 March 2011: both Princes and Asda have committed to removing tuna caught using fish aggregating devices in combination with purse seine nets from their supply chains by 2014. Read more >>
By the time you read this, I'll be at the head office of Princes in Liverpool where a frenzy of sharks is demanding an end (a fin-ish?) to the dreadful fishing methods that kill other marine species like sharks, rays and even turtles which Princes relies on for its tinned tuna.