Warmer waters from climate change causing fish to shrink in size, finds study
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Fish could shrink in size dramatically as ocean temperatures rise because of climate change, according to a new study.
When the water gets warmer, cold-blooded fish need more oxygen. However, one of the consequences of climate change is less oxygen in the sea.
These twin effects could combine to stunt the growth of fish, the researchers concluded.
Professor William Cheung, of the University of British Columbia in Canada, who co-wrote a paper about the study in the journal Global Change Biology, said: “Fish, as cold-blooded animals, cannot regulate their own body temperatures.