Mackerel is under immense pressure from overfishing ... monkfish caught in the North Sea move from amber to green – becoming a “best choice” fish – and blue marlin off the red list, from a five to a ...

Mackerel is under immense pressure from overfishing ... move from amber to green – becoming a “best choice” fish – and blue marlin off the red list, from a five to a four, due to what ...