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Istiophorus platypterus  (Shaw, 1792)

Indo-Pacific sailfish
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Image of Istiophorus platypterus (Indo-Pacific sailfish)
Istiophorus platypterus
Picture by University of Western Australia (UWA)

Classification / Names Noms communs | Synonymes | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinoptérygiens (poissons à nageoires rayonnées) > Perciformes (Perch-likes) > Istiophoridae (Billfishes)
Etymology: Istiophorus: Greek, istios = sail + Greek, pherein = to carry (Ref. 45335).

Environment: milieu / climate zone / depth range / distribution range Écologie

; marin; océanodrome (Ref. 51243); profondeur 0 - 200 m (Ref. 54238), usually 30 - ? m (Ref. 9688).   Subtropical; 50°N - 43°S, 180°W - 180°E (Ref. 43)

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri

Indo-Pacific: tropical and temperate waters approximately 45°- 50°N and 40°-35°S in the western Pacific, 35°N and 35°S in the eastern Pacific; 45°S in western Indian Ocean and 35°S in eastern Indian Ocean. Entered Mediterranean Sea from Red sea via Suez Canal. Highly migratory species, Annex I of the 1982 Convention on the Law of the Sea (Ref. 26139). Some authors recognize a single worldwide species, Istiophorus platypterus (Shaw & Nodder 1792) but we follow Nakamura 1990 (Ref. 10820) retaining the usage of Istiophorus platypterus for the Indo-Pacific sailfish and Istiophorus albicans for the Atlantic sailfish in recognition of the differences between them.

Taille / Poids / Âge

Maturity: Lm ?  range ? - 150 cm
Max length : 348 cm FL mâle / non sexé; (Ref. 40637); common length : 270 cm TL mâle / non sexé; (Ref. 9308); poids max. publié: 100.2 kg (Ref. 40637); âge max. reporté: 13 années (Ref. 53742)

Description synthétique Morphologie | Morphométrie

Épines dorsales (Total): 0; Rayons mous dorsaux (Total): 47-53; Épines anales 2; Rayons mous anaux: 12 - 15. Body elongate and compressed; upper jaw prolonged into a very long beak; two dorsal fins, the first very large and tail; pelvic fins narrow but very long, almost reaching anus, with 1 spine and 2 rays; body covered with small, embedded scales with 1 or 2 blunt points; back dark with about 20 bluish vertical bars; belly pale silver; membrane of first dorsal fin blue black with numerous dark spots (Ref. 55763). A slender billfish with a high, sail-like first dorsal fin (Ref. 26938).

Biologie     Glossaire (ex. epibenthic)

Oceanic and epipelagic species usually found above the thermocline. Most densely distributed in waters close to coasts and islands (Ref. 9688). Most likely schools by size. Undergoes spawning migrations in the Pacific (Ref. 43). Feeds mainly on fishes, crustaceans and cephalopods. Utilized fresh, smoked and frozen; also used for sashimi and sushi; eaten broiled and baked (Ref. 9987).

Life cycle and mating behavior Maturité | Reproduction | Frai | Œufs | Fécondité | Larves

Seems to spawn throughout the year in tropical and subtropical waters of the Pacific with peak spawning occurring in the respective local summer seasons. Spawning occurs with males and females swimming in pairs or with two or three males chasing a single female (probably a mating behavior). The ripe ovarian eggs are about 0.85 mm in diameter and have a single oil globule; there are no structures on the vitalize membrane and the egg is transparent. Eggs shed from captured female in the Indian Ocean averaged 1.304 mm in diameter.

Référence principale Upload your references | Références | Coordinateur | Collaborateurs

Nakamura, I., 1985. FAO species catalogue. Vol. 5. Billfishes of the world. An annotated and illustrated catalogue of marlins, sailfishes, spearfishes and swordfishes known to date. FAO Fish. Synop. 125(5):65p. Rome: FAO. (Ref. 43)

Statut dans la liste rouge de l'IUCN (Ref. 115185)

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

  Harmless




Utilisations par l'homme

Pêcheries: commercial; pêche sportive: oui
FAO(pêcheries: production, Résumé espèce; publication : search) | FishSource | Sea Around Us

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Noms communs
Synonymes
Métabolisme
Prédateurs
Écotoxicologie
Reproduction
Maturité
Frai
Fécondité
Œufs
Développement de l'œuf
Références
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Profil d'aquaculture
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Génétique
Fréquences alléliques
Héritabilité
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Estimates of some properties based on models

Preferred temperature (Ref. 115969): 18.2 - 27.7, mean 25.6 (based on 513 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.7505   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00589 (0.00272 - 0.01274), b=3.14 (2.95 - 3.33), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Niveau trophique (Ref. 69278):  4.5   ±0.3 se; Based on diet studies.
Résilience (Ref. 69278):  Faible, temps minimum de doublement de population : 4,5 à 14 années (rm=0.11; K=0.4-0.8; tmax=13; Fec=>2M).
Prior r = 0.71, 2 SD range = 0.35 - 1.44, log(r) = -0.34, SD log(r) = 0.35, Based on: 1 M, 6 K, 1 tmax, 1 Fec records
Vulnérabilité (Ref. 59153):  High to very high vulnerability (68 of 100) .
Catégorie de prix (Ref. 80766):   Very high.