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Naucrates ductor (Linnaeus, 1758)

Pilotfish
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Naucrates ductor
Picture by Luquet, D.

Classification / Names आम नाम | उपशब्द | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

ऐकटीनोप्टीरेजी (रेज़-फिन्नढ मछलियाँ) > 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 पारिस्थितिकी

; समुद्री प्रवाल-भित्ति संयुक्त; गहराई सीमा 0 - 300 m (Ref. 86942).   Subtropical; 61°N - 43°S, 180°W - 180°E

वितरण देश | ऐफ ऐ ओ क्षेत्र | Ecosystems | संयोग | Point map | भूमिका | 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).

आकार / वज़न / Age

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

Short description आकृति विज्ञान | मौरफोमैटरिक्स

पृष्ठीय रीढ़ (सम्पूर्ण): 5 - 6; पृष्ठीय सौफट रेज़ (सम्पूर्ण): 25-29; गुदा कांटा 3; ऐनल सौफट रेज़: 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).

जीवविज्ञान     शब्द संग्रह (उदाहरणार्थ 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 परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | Fecundity | लार्वा

Main reference Upload your references | संदर्भ | संयोजक : Smith-Vaniz, William F. | सहयोगीयो

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)

IUCN Red List Status (Ref. 120744)

  Least Concern (LC) ; Date assessed: 07 November 2013

CITES (Ref. 118484)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

मात्स्यिकी: लघु वाणिज्य; आखेट मत्स्य: हां; जलजीवालय: सार्वजनिक लजीवालय
FAO(मात्स्यिकी: production; publication : search) | FishSource | Sea Around Us

अधिक जानकारी

आम नाम
उपशब्द
चपायचय
परभक्षी
ईकोटोकसीकोलौजी
पुनरुत्पत्ति
परिपक्व अवधि
मछलीऔ का अंडे देना
Spawning aggregation
Fecundity
अंडे
Egg development
संदर्भ
जलीयकृषि
जलीयकृषि रूपरेखा
खींच
आनुवंशिकी
ऐल्लि आवृतियाँ
हैरेटिबिलटी
बीमारी
प्रक्रमण
Mass conversion
सहयोगीयो
तस्वीरे
Stamps, Coins Misc.
ध्वनि
सिगुयटिरा
रफ्तार
तैरने के प्रकार
गिल क्षेत्र
Otoliths
दिमाग
दृष्टि

साधन

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इंटरनेट स्रोत

Estimates 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 (0.00641 - 0.02973), b=2.94 (2.75 - 3.13), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Trophic Level (Ref. 69278):  3.4   ±0.43 se; Based on food items.
Generation time: 0.5 ( na - na) years. Estimated as median LN(3)/K based on 2 growth studies.
लौटाव (Ref. 120179):  ऊंचा, न्यूनतम जनसंख्या दुगनी समय अवलागत 15 महीने। (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153):  Low vulnerability (24 of 100) .
Price category (Ref. 80766):   Medium.