Salmon producers in Chile increased their use of antibiotics last year despite international pressure.
New rules clear the way for industrial fish farming in the Gulf of Mexico, a move environmental groups say would threaten an ecosystem already under siege.
The farmed fish business is booming, but growing demand puts pressure on wild fisheries as fish farmers need to feed their increasing stock.
Starting an aquaponics operation requires a large investment in equipment – fish tanks, greenhouses, climate-control equipment and the like.
Feel wasteful when you throw away the heads, skins and bones after a tasty trout dinner? Maria Finn has strategies for using every part of the fish.