overfishing in the pacific, page-2

It is a good point you raise; though it is not just Tuna- Kingfish and Snapper are also overfished.

About a year ago, an Australian yachtsman, Ivan MacFadyen sailed into the North Pacific. He estimated that about one third of the ocean in this region is full of garbage.

http://www.theguardian.com/environment/2013/oct/21/yachtsman-describes-horror-at-dead-rubbish-strewn-pacific-ocean