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🤯 Did You Know (click to read)
Basking sharks have a nearly symmetrical tail shape suited for continuous forward swimming.
The crescent-shaped caudal fin of a basking shark provides the propulsion necessary for long-distance migrations spanning thousands of kilometers. On a 10-meter body, the tail itself can measure several meters from tip to tip.
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💥 Impact (click to read)
Generating thrust to move several tons of mass through dense seawater requires immense surface area and muscle coordination. The tail’s sweeping motion enables sustained cruising rather than explosive speed.
That steady propulsion allows a single individual to link ecosystems separated by entire ocean basins. The mechanical design of one fin becomes the engine of continent-scale ecological connectivity.
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