The undisputed champion of speed in the ocean, sailfish can reach speeds of up to 68 mph (110 kph) using their long, stiff dorsal fin for bursts of acceleration. They are found in tropical and subtropical waters around the world.
Clocking in at an impressive 60 mph (97 kph), swordfish are powerful predators with a long, sharp bill used for spearing prey. They are found in temperate, tropical, and subtropical oceans around the world.
These giants of the sea can reach speeds of up to 50 mph (80 kph) and are known for their incredible acrobatic leaps. Black marlin are found in warm, offshore waters around the world.
Nicknamed the "ocean rocket," wahoo can reach speeds of up to 47 mph (76 kph) thanks to their streamlined bodies and powerful tails. They are found in tropical and subtropical waters around the world.
These commercially important fish can reach speeds of up to 46 mph (74 kph) and are known for their long migrations. Yellowfin tuna are found in tropical and subtropical waters around the world.
Another commercially prized fish, Atlantic bluefin tuna can reach speeds of up to 43 mph (70 kph). They are found in the Atlantic Ocean, Mediterranean Sea, and Gulf of Mexico.
There are several species of marlin, all of which are incredibly fast swimmers. They can reach speeds of up to 40 mph (64 kph) and are prized by sport fishermen. Marlin are found in tropical and subtropical waters around the world.
These smaller fish can reach speeds of up to 40 mph (64 kph) in short bursts. They are found in shallow, tropical waters around the world.
These colorful fish can reach speeds of up to 37 mph (60 kph) and are popular with sport fishermen. Mahi-mahi are found in tropical and subtropical waters around the world.
While not the fastest swimmer on this list, flying fish are unique in their ability to glide for long distances above the water. They can reach speeds of up to 35 mph (56 kph) when leaping out of the water and using their enlarged fins to "fly."