It's worth asking the server what specific species of tuna is being prepared, if possible, and keep an eye out for bluefin tuna and yellowfin tuna from certain parts of the world. Also ...

Various types of tuna – particularly yellowfin ... Skipjack tuna, used in tinned tuna is the most sustainable of all the tuna species. Tuna is cleaned, skinned and cut into loins upon capture ...

Due to its popularity, at least one third of tuna species are fished at unsustainable levels ... There is an urgent need to look beyond certifications of individual supply chains and gear types and ...

The International Union for Conservation of Nature lists two populations of bluefin, the Atlantic and the southern, as critically endangered on its “Red List” of imperiled species. The Pacific bluefin ...