The destruction of bluefin tuna through over-exploitation by commercial fishing fleets has received past attention here at Riled Up. Estimates vary, but the harvest is way past any level of sustainability and ocean fisheries may be totally depleted within 15 years if harvest rates are allowed to continue at current levels. [caption id="attachment_3444" align="aligncenter" width="650" caption="blue fin tuna source: The Australian"][/caption] Two recent technological ...