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Atlantic sailfish facts for kids

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Atlantic sailfish
Two men holding a freshly caught sailfish.jpg
Two men holding a freshly caught Atlantic sailfish
Scientific classification edit
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Istiophoriformes
Family: Istiophoridae
Genus: Istiophorus
I. albicans
Binomial name
Istiophorus albicans

(Latreille, 1804)

The Atlantic sailfish (Istiophorus albicans) is a species of marine fish in the family Istiophoridae of the order Perciformes. It is found in the Atlantic Oceans and the Caribbean Sea, from the surface to depths of 200 m (656 ft). It does not occur in large areas of the central North Atlantic and the central South Atlantic. The Atlantic sailfish is related to the marlin.

Tests in the 1920s estimated that the Atlantic sailfish was capable of short sprints of up to 111 kilometres per hour; however, more conservative estimates of 37 to 55 kilometres per hour are more widely accepted. More recent studies even suggest sailfish do not exceed swimming speeds of 36 km/h (22 mph).

Atlantic sailfish hunt schooling fish, such as sardines, anchovies and mackerel although they also feed on crustaceans and cephalopods.


Portrait of author Ernest Hemingway posing with sailfish Key West, Florida
Ernest Hemingway in Key West, Florida, USA, in the 1940s, with an Atlantic sailfish he had caught

The Atlantic sailfish is a metallic blue fish with a large sail-like dorsal fin and a long and pointed bill-like snout. It is dark bluish-black on the upperparts and lighter on the sides (counter-shading). There are about twenty bluish horizontal bars along the flanksThe underparts are silvery white. The tail fin is strongly forked. The fins are bluish-black and the front dorsal fin is speckled with small black spots. The bases of the anal fins are pale.

The length of this fish is up to 3.15 m (10.3 ft) and the maximum published weight is 58.1 kg (128.1 lb).

Studies found that sailfish hunting schools of sardines rely heavily upon stealth and quick slashing or tapping with the rostrum in order to temporarily immobilize prey and make capturing small prey easier. The bill has been hypothesized to increase the hydrodynamic qualities of the fish and even to ward off predators. However, it has been well documented that the sailfish use the bill for hunting.

Distribution and habitat

The Atlantic sailfish is a pelagic fish of tropical and temperate waters in the Atlantic Ocean. It ranges from approximately 40°N in the northwestern Atlantic to 40°S in the southwestern Atlantic, and 50°N in the northeastern Atlantic to 32°S in the southeastern Atlantic. It is a migratory species and moves about the open ocean and into the Mediterranean Sea. Its depth range is from warm surface waters down to about 200 m (656 ft).


Some authorities only recognise a single species of sailfish, Istiophorus platypterus, with I. albicans being treated as a synonym for I. platyperus.

  • "Istiophorus albicans". Integrated Taxonomic Information System. Retrieved 6 June 2006.

See also

Kids robot.svg In Spanish: Istiophorus albicans para niños

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