Big fish in troubled waters
Overfishing cuts number of large predator fish in the ocean
By Stephen Ornes, 19:38 PM April 20, 2011
You may have heard the popular saying “there are always more fish in the sea.” But as a number of new studies show, the truth of that statement depends on the kind of fish. Fish populations are changing, and not necessarily for the better.
Consider the case of big, predatory fish. These giants, like sharks and cod, devour other, smaller fish. Big fish are an important part of the marine ecosystem — which includes the ocean and all the things living in it — because they keep down the numbers...
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