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.

The Atlantic bluefin tuna is one of the largest, fastest, and most gorgeously colored of all the world’s fishes. Their torpedo-shaped, streamlined bodies are built for speed and endurance.

Bluefin tuna are an ocean-going fish that grow up to 10 feet long and can weigh as much as 1,200 pounds. Unlike almost all fish, bluefin tuna are warm-blooded and able to regulate their body ...

Can tuna “ranching” help alleviate pressure on wild tuna populations? In the Mediterranean Sea, a relatively new aquaculture industry is “ranching” one of the world's largest wild fish ...