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Naucrates ductor (Linnaeus, 1758)

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

Actinoptérygiens (poissons à nageoires rayonnées) > Perciformes (Perch-likes) > Carangidae (Jacks and pompanos) > Naucratinae
Etymology: Naucrates: Greek, naykrates, -es, -es = supremacy in the sea (Ref. 45335).  More on author: Linnaeus.

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

; marin récifal; profondeur 0 - 300 m (Ref. 86942).   Subtropical; 61°N - 43°S, 180°W - 180°E

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

Circumtropical in tropical seas. Western Atlantic: Nova Scotia, Canada to Argentina (Ref. 7251). Eastern Atlantic: British Isles (rare vagrant), Norway and Bay of Biscay to Namibia, including the Mediterranean and Canary Islands. Eastern Pacific: Vancouver Island (British Columbia, Canada) to the Galapagos Islands (Ref. 2850) and Chile (Ref. 115205). Common throughout the Indian Ocean (Ref. 3197).

Taille / Poids / Âge

Maturity: Lm ?  range ? - ? cm
Max length : 70.0 cm TL mâle / non sexé; (Ref. 5288); common length : 40.0 cm TL mâle / non sexé; (Ref. 9626)

Description synthétique Morphologie | Morphométrie

Épines dorsales (Total): 5 - 6; Rayons mous dorsaux (Total): 25-29; Épines anales 3; Rayons mous anaux: 15 - 17. Body elongate, slender, and not strongly compressed; posterior end of upper jaw located at anterior rim of eye; dorsal fin with 4 or 5 spines followed by another spine and 25 to 29 soft rays (IV-V+I 25-29); lateral line without scutes; caudal peduncle with well developed fleshy keels and with dorsal and ventral peduncular fossae (Ref. 55763). Body dark to pale bluish, with 6-7 broad, dark bars; white tips on caudal lobes and on second dorsal and anal lobes (Ref. 3197).

Biologie     Glossaire (ex. epibenthic)

Oceanic species with a semi-obligate commensal relationship with sharks, rays, other bony fishes and turtles (Ref. 5217). Young are usually associated with jellyfish and drifting seaweed (Ref. 2850, 9563). Feed on scraps of host's left over, parasites and excrement; also on small fishes and invertebrates (Ref. 5288). Eggs are pelagic (Ref. 4233). Marketed fresh and salted or dried (Ref. 9283). Captured at the surface using hand nets (Ref. 26165).

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

Référence principale Upload your references | Références | Coordinateur : Smith-Vaniz, William F. | Collaborateurs

Smith-Vaniz, W.F., J.-C. Quéro and M. Desoutter, 1990. Carangidae. p. 729-755. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 2. (Ref. 7097)

Statut dans la liste rouge de l'IUCN (Ref. 120744)

  Préoccupation mineure (LC) ; Date assessed: 07 November 2013

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

  Harmless





Utilisations par l'homme

Pêcheries: intérêt commercial mineur; pêche sportive: oui; Aquarium: Aquariums publics
FAO(pêcheries: production; publication : search) | FishSource | Sea Around Us

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Noms communs
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Métabolisme
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Maturité
Frai
Rassemblement de ponte
Fécondité
Œufs
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Estimates of some properties based on models

Preferred temperature (Ref. 115969): 7.9 - 28.1, mean 20.9 (based on 3025 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 1.0000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01380 (0.00638 - 0.02986), b=2.94 (2.75 - 3.13), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Niveau trophique (Ref. 69278):  3.4   ±0.43 se; Based on food items.
Résilience (Ref. 69278):  Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).
Vulnérabilité (Ref. 59153):  Low vulnerability (24 of 100) .
Catégorie de prix (Ref. 80766):   Medium.