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The Amazon’s fish-shaped climate warning
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The Amazon’s fish-shaped climate warning

I love how a childhood curiosity about fish grew into Adalberto Luis Val’s pioneering work on Amazonian climate science. His research shows that tambaqui rise to the water’s surface when heat and changing conditions reduce oxygen levels, making them a living early-warning signal. Val says the fish’s sensitivity can help scientists understand the pressures facing the Amazon, from climate change to pollution and deforestation. His work has now earned international recognition, including the prestigious Le Cren Medal.
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