Related topics: fish

Fish evolve by playing it safe

New research supports the creation of more marine reserves in the world's oceans because, the authors say, fish can evolve to be more cautious and stay away from fishing nets.

Mercury levels in Hawaiian bigeye, yellowfin tuna rising

Mercury concentrations in Hawaiian-caught bigeye and yellowfin tuna are steadily rising and mirror increases in North Pacific waters that have been linked to atmospheric mercury emissions from Asia.

Conservation meeting mulls fate of bluefin, swordfish

Fishing and shipping nations gather in Portugal next week to consider the fate of the endangered Atlantic bluefin tuna and overharvested Mediterranean swordfish, two pricey gourmet favourites.

Mirroring a drop in emissions, mercury in tuna also declines

For years, public health experts have warned against eating certain kinds of fish, including tuna, that tend to accumulate mercury. Still, tuna consumption provides more mercury to U.S. consumers than any other source. But ...

Pacific tuna meet fails to agree on cutbacks

Pacific island states and countries failed on Friday to strike a deal to protect shrinking supplies of tuna and adopt cutbacks following a regional conference, officials said, sparking condemnation from conservationists.

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