This video throws us right into a group of the fastest fish in the world, the sailfish. The narrator explains that these fish grow to three meters (nearly 10 feet) long! Because they are constantly on the move, they must use their energy wisely. A large group of baitfish appears, and we learn why these fast fish are grouped, it’s time to eat! There are nearly 100 sailfish here, a rare occurrence. They do hunt in groups, but not usually so many. The individual sailfish raise huge dorsal fins (sails) and swim around the group of baitfish, herding them. If one of the sailfish strikes at the wrong time, they could injure or kill one of their kind. They have adapted to be able to warn each other what direction they are going.
They use the colors of their bodies, kind of like a blinker on a car. It tells the other hunters where they plan to move. They can change from blue to striped to black in a matter of seconds! The color changes also confuse the prey, making it easier for the sailfish to grab one and eat it. These fast fish drive the baitfish toward the surface of the water, and seabirds dive from the air to pick them off. The baitfish frantically swim, but there is nowhere to hide. The video goes on, showing these magnificent fish hunting and eating the smaller fish. They must eat daily to keep their energy up, as they never stop moving. The incredible video linked below is a stunning underwater capture of the fastest fish in the world!
©wildestanimal/Shutterstock.com
How Fast is the Fastest Fish in the World?
Sailfish can swim at speeds of up to 68 mph (or over 100 kmh). That’s the same speed the fastest land animal, the cheetah, can run! There are two types of sailfish, the Atlantic sailfish (Istiophorus albicans) and the Indo-Pacific sailfish (Istiophorus platypterus). Some scientists maintain that the Atlantic sailfish is not a separate species, but an adapted version of the Indo-Pacific sailfish. Regardless of the species, sailfish are number one on the top 10 fastest fish in the world list. Others that make the list include swordfish, mako sharks, and common tuna. Another fast fish is the black marlin, which looks similar to a sailfish.
Some newer reports state that the sailfish rarely swims at top speed. They only reach these speeds in short bursts while hunting. This is similar to cheetahs, also.
What Animal Hunts Sailfish?
They may be the fastest fish in the world, but they still have predators. These fish start life at only a few millimeters long. At this stage, they are easy prey for any fish that want to eat them. As they grow, the size of their predators increases, also. Adult sailfish reach up to 10 feet long and weigh up to 220 pounds. These adults fear only the largest ocean predators like sharks, orcas (killer whales), and dolphins.
The risk to sailfish by humans is significant, despite the lack of monetary value in them. These fish are not widely eaten due to their tough meat, but they are often caught accidentally. This includes catches with longlines and driftnets. Thankfully, reports by the National Marine Sanctuary Foundation state their numbers are normal. They are not on any endangered species lists.
Watch the fastest fish in the world do what it does best: hunt!
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Watch the Fastest Fish in the World, the Sailfish, Hunt at Jaw-Dropping Speeds - AZ Animals
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