Is it possible to buy sustainable prawns? – Which? News
It’s nutritionally good for us and a dietary staple around the world, but some seafood can have a significant impact on the environment.
Many of us are keen to improve our sustainability credentials, but does that mean forgoing the catch of the day entirely? We’ve been trying to find out – starting with prawns.
We look into the issues behind wild and farmed prawns, set out the labels to look for and explore the more sustainable options.
For more on seafood, including recommended swaps you can make at the fish counter, visit our guide to how to buy sustainable fish.
Wild prawns and the environment
Big warm-water prawns, often called tiger or jumbo prawns, usually come from south-east Asia. Those that are wild-caught are generally harvested by trawling the sea bed, often using an otter trawl, which is a cone-shaped net with rigid boards at the mouth that’s dragged along by a slow-moving boat.
Because the prawns are relatively small, the net’s mesh has very small holes. That means this fishing method comes with very high levels of bycatch – …
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