Late last year a tuna, thought at first to be a yellowfin was landed on Newlyn fish market - a marine expert later identified the fish as being a member of the more valuable bluefin species - the single fish sold for around £4.60 a kilo - much less than the premium price normally associated with this kind of fish as can be seen from this fish sold in Japan fetching a record price of £2,738 per kilo!
