So that tuna fish sandwich does have its costs. Gary Griggs is a Distinguished Professor of Earth and Planetary Sciences at ...

Tuna “ranchers” believe that their operations take pressure off wild tuna populations because the tuna fishermen get a better price for their catch and therefore need to fish less intensively.

Bluefin tuna are top ocean predators and sometimes hunt cooperatively ... without regulatory oversight, for fish farming. The International Union for Conservation of Nature lists both the Atlantic and ...