Many of the fish listed are caught in different ways and from different areas of the sea. Some species are caught in a variety of ways and this range shows that, within a species, some may be fished sustainably whilst others unsustainably.

To find out the individual ratings for each fish click on the ratings button next to the image.

Fish to Eat are rated 1 and 2, Fish to Avoid are rated 5. Ratings 3 and 4 mean don’t eat too often.

Fish that are being assessed are shown with a question mark icon and "No Rating".

This system has been developed by the Marine Conservation Society to help consumers choose the most environmentally sustainable fish.

Rating 1 (light green) is associated with the most sustainably produced seafood.

Fish to Eat are rated 1 and 2, Fish to Avoid are rated 5. Ratings 3 and 4 mean don’t eat too often.

This system has been developed by the Marine Conservation Society to help consumers choose the most environmentally sustainable fish.

Rating 2 (pale green) is still a good choice, although some aspects of its production or management could be improved

Fish to Eat are rated 1 and 2, Fish to Avoid are rated 5. Ratings 3 and 4 mean don’t eat too often.

This system has been developed by the Marine Conservation Society to help consumers choose the most environmentally sustainable fish.

Rating 3 (yellow) based on available information; these species should probably not be considered sustainable at this time. Areas requiring improvement in the current production may be significant. Eat only occasionally and check www.goodfishguide.org for specific details.

Fish to Eat are rated 1 and 2, Fish to Avoid are rated 5. Ratings 3 and 4 mean don’t eat too often.

This system has been developed by the Marine Conservation Society to help consumers choose the most environmentally sustainable fish.

Rating 4 (orange) should not be considered sustainable, and the fish is likely to have significant environmental issues associated with its production. While it may be from a deteriorating fishery, it may be one which has improved from a 5 rating, and positive steps are being taken. However, MCS would not usually recommend choosing this fish.

Fish to Eat are rated 1 and 2, Fish to Avoid are rated 5. Ratings 3 and 4 mean don’t eat too often.

This system has been developed by the Marine Conservation Society to help consumers choose the most environmentally sustainable fish.

Rating 5 (red) is associated with fish to be avoided on the basis that all or most of the criteria for sustainablilty have not been met.

Fish to Eat are rated 1 and 2, Fish to Avoid are rated 5. Ratings 3 and 4 mean don’t eat too often.

This system has been developed by the Marine Conservation Society to help consumers choose the most environmentally sustainable fish.