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Related to Istiophorus: Istiophorus albicans, sailfish, Atlantic sailfish


common name for a marine game and food fish, genus Istiophorus, belonging to the family Istiophoridae and related to the marlinmarlin,
common name for open-sea fish related to the sailfish (family Istiophoridae) and prized in sport fishing. The best known is the Atlantic blue marlin, Makaira nigricans, found in the Gulf Stream as far north as Long Island. It may reach 1,000 lb (454 kg) in weight.
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. It is named for its high, wide dorsal fin (or "sail"), colored deep blue with black spots. Like the marlin it has a pikelike upper jaw and small scales embedded in its skin. The average length is 6 ft (180 cm), though it may reach 10 ft (305 cm). The Pacific, or Indo-Pacific, sailfish (I. platypterus) grows to 100 lb (45 kg). The Atlantic sailfish, found north to Cape Cod in summer and sometimes classified as a separate species (I. albicans), averages 60 lb (27 kg) in weight. The dorsal fin is not normally erect while swimming but is raised when the sailfish is excited or threatened; it also is used to herd the small fish that the sailfish preys on. The bill is used to swat and confuse, stun, or injure prey. Sailfish 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 Istiophoridae.



(Istiophorus platypterus,) a fish of the family Xi-phiidae of the order Perciformes. The sailfish reaches a length of 3.3 m and a weight of 100 kg. The upper jaw is spearlike, and the dorsal fin is high and resembles a sail. The ventral fins are long. When the sailfish moves rapidly, all the fins fold into special cavities. To make sharp turns, the fish raises it dorsal fin upright. The sailfish inhabits tropical and subtropical waters of all oceans. It is most commonly encountered in coastal waters and is an object of commercial and sport fishing. The sailfish feeds on other fishes and squid.


(vertebrate zoology)
Any of several large fishes of the genus Istiophorus characterized by a very large dorsal fin that is highest behind its middle.


1. any of several large scombroid game fishes of the genus Istiophorus, such as I. albicans (Atlantic sailfish), of warm and tropical seas: family Istiophoridae. They have an elongated upper jaw and a long sail-like dorsal fin
2. another name for basking shark
References in periodicals archive ?
Age and growth of sailfish, Istiophorus platypterus, using cross sections from the fourth dorsal fin spine.
Sex ratios, size at sexual maturity, and spawning seasonality of sailfish Istiophorus platypterus from eastern Taiwan.
Transboundary and movement of sailfish, Istiophorus platypterus, off the Pacific coast of Central America.
Intraspecific phylogeographic isolation of Arabian Gulf sailfish Istiophorus platypterus inferred from mitochondrial DNA.
punctatus, Prognichthys occidentalis (bluntnose flyingfish), Oxyporhamphus micropterus (smallwing flyingfish), Istiophorus platypterus (sailfish), and C.
indica Indo-Pacific sailfish Istiophorus platypterus Mahimahi Coryphaena hippurus Ono (wahoo) Acanthocybium solandri Blue shark Prionace glauca Mako shark (short-fin) Isurus oxyrinchus Mako shark (long-fin) I.
mazara (blue marlin), and Istiophorus platypterus (Indo-Pacific sailfish) larvae in the Coral Sea ("the anstau hypothesis," Leis et al.
Minor components include rainbow runner, Elagatis bipinnulatus; great barracuda, Sphyraena barracuda; kawakawa, Euthynnus affinis; dogtooth tuna, Gymnosarda unicolor; sailfish, Istiophorus platypterus; and shortbill spearfish, Tetrapturus angustirostris.
of [+ or -] SD stomachs with Species specimens (cm) fresh remains Alepisauridae Alepisaurus ferox 29 120 [+ or -] 15 26 Scombridae Acanthoeybium 7 136 [+ or -] 18 7 solandri Thunnus alalunga 16 109 [+ or -] 6 15 Thunnus albacares 6 147 [+ or -] 7 6 Thunnus obesus 24 107 [+ or -] 22 24 Xiphiidae Xiphias gladius 8 126 [+ or -] 32 6 Isiophoridae Istiophorus albicans 4 152 [+ or -] 13 4 Makaira nigricans 8 180 [+ or -] 25 5 Tetrapturus albidus 7 130 [+ or -] 10 7 Tetropturus pfluegeri 30 143 [+ or -] 6 29 Fish Cephalopods Crustaceans Others Species FO Mass FO Mass FO Mass FO Mass Alepisauridae Alepisaurus ferox 18 67.
Present tagging efforts target the following pelagic species: Blue marlin, Makaira nigricans; white marlin, Tetrapturus albidus; sailfish, Istiophorus platypterus; swordfish, Xiphias gladius; bluefin tuna, Thunnus thynnus; yellowfin tuna, Thunnus albacares; and bigeye tuna, Thunnus obesus).
The biology and fishery of Atlantic sailfish Istiophorus platypterus, from southeast Florida, 31 p.
Twenty-two sailfish, Istiophorus platypterus, were caught on the observed trips for an average of 0.