The whitefish market in Shetland, UK continued its record-breaking streak by topping the 400,000-box mark in 2017.   A combination of healthy fish stocks, rising quotas and Shetland’s advantages as a landing port propelled landings to 402,997 boxes for the year, well up on the 357,101 boxes in 2016 and over three times the total recorded in 2003, when the electronic auction system was introduced, according to the Shetland Fishermen's Association.   “Importantly, record volumes were matched this year with consistently high prices. This is a reflection of the quality of the fish we present to buyers and smart logistics right through the supply chain," said Martin Leyland of Shetland Seafood Auctions.   “The major stocks are in a very healthy condition, and fishermen consistently report back that they haven’t seen such big volumes for a generation or more."   “This is why investments are being made in the new Lerwick fish market and the refurbishment of the Scalloway market.”   Simon Collins, executive officer of Shetland Fishermen’s Association, said Shetland was in a strong position to benefit from any additional fishing opportunities obtained after Brexit [...]