Fish shrinkage probed in lab

Scientists are starting a novel project to investigate whether overfishing alters fish behaviour and changes their pattern of development.

Overexploitation of stocks has already been shown to select for smaller fish.

A team reporting at the meeting of the European Society for Evolutionary Biology in Germany will deliberately remove the largest individuals from populations of lab-bred guppies.

The experiment is designed to uncover what is happening in our oceans.

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