There’s been a weak outlook for shrimp and tilapia prices this summer in China but strong demand for replacement species for fish at local market during the ongoing annual fishing ban. There was mixed news this month down south in the island province of Hainan, a key tilapia and vannamei shrimp cultivation region. A document from the Ocean and Fisheries bureau shows tilapia in the Haikou region of Hainan sized 350-500g sold wholesale for CNY 7 (USD 1.10, EUR 0.99) per kilo: that’s up 16.7 pe…