S1E1908 - How Do We Know If Tuna Is Running Out?

Tuna fishing is a global industry, but how do we actually know if we're catching too much?

Every time you eat tuna, you're relying on a system most people have never heard of: stock assessments. These scientific models estimate how many fish are in the ocean, how fast they reproduce, and how much can be caught without causing long-term damage.

Stock assessments are not about counting every fish, they're about making the best possible decisions with imperfect data. Scientists use catch records, fishing effort, and biological information to understand whether tuna populations are healthy or...