In 2015, UK seafood sales decreased slightly both in volumes and value -- 0.9 percent and 0.6 percent, respectively -- according to the latest data from market research company Nielsen.

Retailers sold 331,151 metric tons of seafood at £3.1 billion (€4 billion/$4.5 billion) of which 63.2 percent was chilled products, 22.2 percent frozen and 14.6 percent from ambient product sales.

In the 12 months to Jan. 2, 2016, chilled product sales saw a 1.1 percent increase in terms of value, accounting for £1.9