Sailfish Description and Facts

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A sailfish is a fish of the genus Istiophorus of billfish living in colder areas of all the seas of the earth. They are predominantly blue to gray in colour and have a characteristic dorsal fin known as a sail, which often stretches the entire length of the back. Another notable characteristic is the elongated bill, resembling that of the swordfish and other marlins. They are, therefore, described as billfish in sport-fishing circles. • By many scientists considered the fastest fish in the ocean, sailfish grow quickly, reaching 1.2–1.5 m (3.9–4.9 ft) in length in a single year, and feed on the surface or at middle depths on smaller pelagic forage fish and squid. Sailfish were previously estimated to reach maximum swimming speeds of 35 m/s (130 km/h; 78 mph), but research published in 2015 and 2016 indicate sailfish do not exceed speeds between 10–15 m/s. During predator–prey interactions, sailfish reached burst speeds of 7 m/s (25 km/h; 16 mph) and did not surpass 10 m/s (36 km/h; 22 mph). Generally, sailfish do not grow to more than 3 m (9.8 ft) in length and rarely weigh over 90 kg (200 lb). Sailfish have been reported to use their bills for hitting schooling fish by tapping (short-range movement) or slashing (horizontal large-range movement) at them. • The sail is normally kept folded down when swimming and raised only when the sailfish attack their prey. The raised sail has been shown to reduce sideways oscillations of the head, which is likely to make the bill less detectable by prey fish. This strategy allows sailfish to put their bills close to fish schools or even into them without being noticed by the prey before hitting them. • =================================================== • Follow me on Instagram:https://www.instagram.com/animalsdesc... • Subscribe on: / @animalsdescriptions • =================================================== • This presentation contains images that were used under a Creative Commons License. Click here to see the full list of images and attributions: • https://link.attribute.to/cc/1638315 • Source from Wikipedia under WP:CC BY-SA license • #Shorts #sailfish #billfish #fish

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