swordfish

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swordfish,

large food and game fish, Xiphias gladius, of the warmer Atlantic and Pacific waters. It is named for its sharp, broad, elongated upper jaw, which it uses to flail and injure its prey of smaller fish. Swordfish breed as far north as Nova Scotia; they are often seen basking on the water's surface, and their fins are sometimes mistaken for those of sharks. They may reach 15 ft (457 cm) and 1,000 lb (450 kg); however, specimens half this size are considered large. Swordfish were formerly harpooned commercially but now are taken using long lines with multiple baited hooks. Conservation efforts are underway to rebuild depleted stocks. Swordfish are classified in the phylum ChordataChordata
, phylum of animals having a notochord, or dorsal stiffening rod, as the chief internal skeletal support at some stage of their development. Most chordates are vertebrates (animals with backbones), but the phylum also includes some small marine invertebrate animals.
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, subphylum Vertebrata, class Actinopterygii, order Perciformes, family Xiphiidae.

Swordfish

 

(Xiphias gladius), the only modern representative of the family Xiphiidae of the order Perciformes. The upper jaw is extended into a swordlike projection. There are no ventral fins. The naked body is up to 4 m long and weighs up to half a ton. The swordfish is found in all oceans, primarily in the tropics; it is also encountered in arctic latitudes in the north. In the USSR the fish is found in the Black, Baltic, and Barents seas, as well as in the Sea of Japan and the Sea of Azov. Swordfish generally are solitary animals. Mating occurs in the warm season; the roe are pelagic. Swordfish feed on nektons, including squids, tuna, and sharks. They are commercially valuable.

Swordfish

[′sȯrd‚fish]
(astronomy)

swordfish

a large scombroid fish, Xiphias gladius, with a very long upper jaw: valued as a food and game fish: family Xiphiidae
References in periodicals archive ?
Most of the items on show are for sale - starting at pounds 17 for a pair of cufflinks - and several works are for sale to the highest bidder, including the Queen, a bag lady, Chop Suey the sword fish and an intricate orb handbag.
Both Noble Emperor - a 22 lengths, odds-on winner of the beginners chase for Tony Martin, and Christy's Sword Fish, which denied Thelobstercatcher back-to-back wins in the Boylesports Handicap Chase - carry the colours of J PL McManus.
Frank Berry, racing manager to JP McManus, owner of Sword Fish He was unlucky over a longer trip last time when beaten only a short-head.
Sword Fish has gone up 15lb for his ten-length win in the Cork National early this month, while Galway Plate winner and Kerry National runner-up Carlingford Lough heads the weights on 11st 10lb.
He faces eight opponents and a three-pronged attack from JP McManus in the shape of Good Decision, Highdownhill and Sword Fish.
Drying ground should also help bring out the best in the Christy Roche-trained Sword Fish, who looks nicely placed 1lb off bottom weight in the Fairyhouse Committee Handicap Chase (6.
Owner J P McManus enjoyed a successful meeting and saw his colours carried to victory by Nadiya De La Vega and Sword Fish yesterday.
Two years ago Sword Fish beat Leblon to land a 14-1 shock in that race for trainer Christy Roche and jockey Alan Crowe and, although today's trip is a mile further and he has a lengthy layoff to overcome, he does look weighted to go close.
Back-to-form Caim Hill, a Grade 2 winner in his prime, the 2010 Lartigue Handicap Hurdle winner Sword Fish, fellow course-and-distance scorer Victrix Gale and top novices Uponthe Hoof and Star Neuville are just some of his 16 rivals for this [euro]17,500 prize.
THE Christy Roche-trained 14/1 shot Sword Fish, in the colours of J P McManus, proved a shock winner of yesterday's feature, the Listowel Supporters Club Lartigue Handicap Hurdle, getting the better of Leblon by a half length.
McManus's quartet Multiple challenges for big handicaps are nothing new for JP McManus and Ireland's champion owner is four-handed with Gentleman Duke, Tobar Na Gaoise, Bulgaden - w ho is fitted with a tonguetie for the first time - a nd Whatever It Takes as he seeks a fourth victory in a race he last won in 2010 with Sword Fish.
And, ridden by Ruby Walsh, he had established a clear lead and was set for a convincing win when standing off the final flight and paying the penalty in a race eventually won by Sword Fish.