Illegal, unreported and unregulated fishing
Illegal, unreported and unregulated fishing (IUU) is a broad term that refers to fishing without the permission of a nation state, or in contravention of its laws and regulations; unreported or misreported fishing; and fishing that is conducted in an area with no applicable conservation or management measures. IUU is an issue around the world.
Source: Wikipedia — Illegal, unreported and unregulated fishing (CC BY-SA 4.0)