With unsustainable fishing affecting about 30 percent of the ocean’s wild fish populations and most of the rest already fished to the limit, aquaculture is playing an ever bigger role in putting fish on the dinner table.
Today, fish farms are the fastest-growing source of animal protein — on the rise, globally, at about 5 percent a year.
In the lead is China, which accounts for about 60 percent of farmed marine products worldwide. China is also a leading provider of farmed fish to the US, including tilapia, one of the most popular farm-raised marine products sold in America.
Fishing boats are seen on Hainan, here. China relies on aquaculture for most of its seafood.
Farmed fish have some environmental benefits compared with other sources of animal protein. In addition to reducing pressures on wild fish populations, they are climate-change friendly. A pound of fish has about one-seventh of the carbon footprint of a pound of be