Question: What is the fastest fish in the ocean?
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The sailfish.
The sailfish, specifically the species Istiophorus platypterus, is often considered the fastest fish in the ocean. It can swim at a speed of up to 68 miles per hour (110 km/h). Its long, slender body and crescent-shaped tail allow it to move through the water quickly and efficiently. The “sail” (the dorsal fin) is usually folded down when the sailfish is swimming at high speed.
