Commercial fishing and climate change causing shrinking fish sizes

Radio Australia: A new study by Australia's peak scientific body, the CSIRO, shows that fish around the world are shrinking in size. Commercial fishing and climate change are believed to be the main culprits behind the decrease in body size. But CSIRO scientists say the shrinking size is also leading to a drop in fish populations with smaller fish more susceptible to predators. Correspondent: Jennifer Macey Speakers: Dr Asta Audzijonyte, CSIRO marine and atmopheric research unit; Professor Jessica Meeuwig,......

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