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March 18 2013

Big fish catches mean smaller fish - Bangor scientists


Scientists have warned that a fishing rethink is needed after finding that catches of big fish trigger a rapid change in the gene pool of fish stocks.

Researchers at Bangor University say they found that over-harvesting larger fish leads to a population of smaller fish that are less fertile.

The research suggest that the change happens within a few generations.

The scientists say the findings could have a massive impact for the future of global fishing policies.

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