Bringing fish back up to size
Changing the way we fish may help rescue a population's shrinking fish
By Stephen Ornes, 00:00 AM March 24, 2009
Silversides, fish used as bait, saw a reverse in a downward trend in size when researchers switched from catching the bigger fish to catching randomly over generations.
Anyone who has ever gone fishing probably knows this general rule: Keep the big ones, throw the smaller ones back. The idea behind the rule is simple — the larger fish are assumed to be older. If you were to keep the smaller ones, they would not be able to reproduce, and the fish population would be in jeopardy....
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