When in russia – hold the herring
Tinned tuna ain’t good. Some species are critically endangered and the amount of by-catch (including turtles, sharks & dolphins) can be horrendous. Greenpeace has compiled a ‘league table’ of different brands, ranking them in terms of their fishing methods, labelling and general policy. (Note John West flailing at the bottom).
On the other hand, as unsustainable as tinned tuna may be, just be thankful it’s not herring. While we’re making ‘tunafish’ sandwiches with a side of green guilt, our comrades in Russia have to deal with the following:

More disturbing photos at English Russia, verity yet to be determined.

