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🐟 How do scientists count fish in the ocean? Fish are always moving, and the ocean is huge—so counting them isn’t easy! Scientists use math, data, and computer models to estimate how many fish are out there and predict how populations might change over time. These tools help prevent overfishing and protect important areas where fish lay their eggs—so there will be enough fish for future generations. Read the article written in partnership with researchers contributing to the UN Ocean Decade ⬇️