China has long been seen as a land of opportunity for the Norwegian salmon industry.

With a population of 1.4 billion people and a large and growing middle class, optimists love to point out that if everyone in China ate just one salmon meal a year consumption would explode.

But figures from Kontali Analysis, presented last week by Mowi and Leroy Seafood Group, among others, show that salmon imports to China suffered in the fourth quarter.