That number is now poised to drop precipitously, thanks to the Port State Measures Agreement (PSMA), the world's first international treaty designed specifically to tackle illegal, unreported and unregulated fishing.
Under this new agreement, parties are obliged to ensure that any fishing vessel that comes to its port, even for refueling, must announce that it is doing so and submit to an inspection of their log book, licenses, fishing gear and, to be sure, their actual cargo. Port State authorities agree to share information on violations, thus making it harder for rogue fishermen to shift their practices elsewhere.
...