A global projection of the potential reduction in the maximum size of fish in a warmer and less-oxygenated ocean says that changes in ocean and climate systems could lead to smaller fish, according to fisheries experts at the University of British Columbia.

The researchers created a  computer model to analyze more than 600 species of fish from oceans around the world and found that the maximum body weight they can reach could decline by 14-20 per cent between years 2000 and 2050, with the tropics being one of the most impacted regions, if warming and oxygen reduction models are accurate.


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