A giant thresher shark - the biggest ever caught - was auctioned this morning after being netted off the coast of Cornwall. The shark, estimated at 32 feet from nose to fin, was caught by Roger Nowell off Lands End and landed at Newlyn, west Cornwall, yesterday. The record-breaking thresher shark Difficult to handle: the 32ft thresher shark The fisherman was trawling for squid and John Dory when the 510 kilo (1,250lb) predator ended up in his net.