I worked on a trawler up until a few years ago and we caught one, none of us deckhands knew what it was but the Skipper came out and informed us, also said we had to offer it to the Queen, I thought he was taking the P but yep we do, here's a link, (it's not us but a guy from Wales).
http://news.bbc.co.uk/1/hi/wales/3771441.stm
(I think we landed ours to market, ssh don't tell her Majesty)