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Ocean warming drives a nearly 20% annual decline in fish biomass, research confirms
- February 25, 2026 at 10:00 AM
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According to a new study by the Museo Nacional de Ciencias Naturales (MNCN-CSIC) and the National University of Colombia, chronic ocean warming is driving a nearly 20% annual decline in fish biomass. However, the researchers have found that extreme marine heat waves can sometimes mask this trend by causing temporary population increases in certain areas. The work appears in Nature Ecology & Evolution.
Originally published at Phys.org