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tuna

Blue-fin Tuna Thunnus thynnus

One of the largest bony fish in the world, the northern bluefin tuna has a very streamlined and powerful body. It can reach up to 300 cm in length and weigh over 450 kg. It can sometimes be found off the eastern, southern and south-western coasts of the British Isles. Image: Tom Puchner (iNaturalist).

Find out more: iNaturalist, Marine Life Information Centre