Western Atlantic bluefin tuna may soon be listed by Canada as an endangered species in accordance with the recommendation of an independent committee of scientists. Yet the Canadian government is pushing to raise catch limits for this severely depleted fish. Several bluefin experts speak on the need for precaution and why international fisheries managers should not increase the current fishing limits. http://www.pewenvironment.org/campaigns/global-tuna-conservation/id/8589941308/.