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Thursday, October 28, 2010

Photo: Pacific Salmon Invading Atlantic, Threatening Penguins


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A researcher displays a chinook salmon found in the headwaters of the Santa Cruz River in Argentina.

A new study has found that the invasive salmon, native to the North Pacific, are invading the South Atlantic, posing a threat to penguins and sea mammals that compete with the fish for food.

Photograph courtesy Miguel Pascual, Centro Nacional Patagónico