New release !!!

We have just released TUMAS 2.2. Head to the Download section in order to grab it and give it a try.

TUMAS now comes in an standalone, offline, installer for Windows and macOS, and a native Linux launcher. A cross platform distribution is also available.
This new version includes the 2014 assessment scenarios for the Bigeye, Yellowfin and Skipjack tuna.

If you still use the older version of TUMAS, it is advised that you completely uninstall the old version of TUMAS before installing the new version.


The Tuna Management Simulator

TUMAS is being developed to:

  • Simulate what might happen to the stock in the future.
  • Predict benefits and costs of management options.

The purpose of TUMAS is to help fishery managers and advisers make decisions and negotiate.

With TUMAS, you can manage tuna populations on your computer. More...

Download & Updates

Download & Updates

This release of the software allows the user to work with bigeye, yellowfin, and skipjack tuna. It uses the latest full stock assessment for each stock.

Future versions will permit more flexible definitions of management options.

They will also provide a wider range of outputs.

Software updates will be available via this website. More...