My guild did a fishing raid last night in order to get the guild achivement [That's A Lot of Bait]. The reward from that is the very useful [Recipe: Seafood Magnifique Feast].
It was arranged as a one hour competition where the winner with the most pools fished during that time won 2k gold from the guild bank. People kept fishing beyond the raid and that hour though and eventually we got it! We started at something like 4800 fish caught so we got 5200 fish in one day! Tracking the achievement and seeing the counter increase every second is a great motivator when doing this one!
Guild chat exploded like if we had downed a raid boss and people called for heroism in the end! I think it's a nice thing to do together and having people work together like this helps out with team building! :)