Fish: a small world after all

All the oceans' fish larvae are connected in a single network. How can the world protect them?
25 June 2019
Presented by Izzie Clarke


The image shows a large group of fish swimming underwater.


The world is facing a global fish issue - a fissue, if you will. One third of all fish stocks are being overfished, and most of the efforts to prevent this involve exclusive zones in the ocean managed by individual countries. But a study released this week shows how the world’s fisheries are all closely connected in a “small-world” network, and how overfishing in one zone can affect all of its neighbours. Izzie Clarke spoke with James Rising from the London School of Economics to find out how.


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