PORTLAND, ME (March 4, 2009) – Commercial fishing might be causing genetic changes in the fish that swim in the ocean, making them smaller and less fertile.
The latest evidence is a laboratory study by New York-based researchers published today in Proceedings of the Royal Society B, a British scientific journal, which concludes that taking too many large fish out of a population leads to the birth of smaller fish over time.
However, the study also found that fish can grow larger again if the big ones are allowed to get away.
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