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The Parties to the Nauru Agreement (PNA) controls the world’s largest sustainable tuna purse-seine fishery. PNA countries provide around 50% of the global supply of skipjack tuna, the most commonly canned tuna.

The PNA members are: Federated States of Micronesia, Kiribati, Marshall Islands, Nauru, Palau, Papua New Guinea, Solomon Islands and Tuvalu.


The two main best practices, as described in the policies and rules for catch and harvest, are the:

  • vessel day schemes for purse-seine and longline fishing
  • prohibition of the use of fish-aggregating devices (FADs) for three months each year.

The PNA member states are researching the effects of FADs on fish and the wider environment through its FAD-tracking program, which they launched in 2016. They are collecting data on any changes in the behaviour of schools of tuna and in the ability to assess stock number accurately because of the number of FADs deployed in PNA seas. They are also collecting data about the pollution caused in the ocean, and on coasts and reefs, when FADs become lost or break up.

A child holds a tuna on a beach. Photo credit: Pacific Islands Forum Fisheries Agency (FFA).