Bluefin tuna can stretch 3 meters, weigh a metric ton, and reach speeds of 60 kilometers per hour. Yet they still turn on a dime when hunting, thanks in part to their lymphatic systems, which they use to move two of their fins, researchers report today in Science

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Bluefin tuna can stretch 3 meters, weigh a metric ton, and reach speeds of 60 kilometers per hour. Yet they still turn on a dime when hunting, thanks in part to their lymphatic systems, which they use to move two of their fins, researchers report today in Science