Major Study Reports Only 10% of Large Ocean Fish Remain

Bluefin tuna, nearly extinct. Photograph courtesy  Prof. Ransom Myers, Dalhousie University, Halifax, Nova Scotia, Canada.
Bluefin tuna, nearly extinct. Photograph courtesy Prof. Ransom Myers, Dalhousie University, Halifax, Nova Scotia, Canada.


May 16, 2003  Halifax, Nova Scotia -
For years, marine biologists have warned that many ocean creatures are facing elimination in the largest extinction event since the dinosaurs were hit by a big asteroid. Now comes a major ten-year-long study reported in Nature this week that concludes only 10% of big ocean fish are left, compared to their populations 50 years ago. In the tropics, the guitar fish and grouper are nearly gone; off the coast of Newfoundland, the cod, haddock and halibut have never replenished; and in the open oceans the magnificent large predators - sharks, bluefin tuna, gilfish, swordfish, marlin - that have dominated for so long are down to their lowest numbers on record.

 

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