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Tylosurus - Espèces pour
Belonidae - - Classification -
- Belonidae
- Beloniformes
- Teleostei
- Chordata
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Tylosurus crocodilus (Péron & Lesueur, 1821)
Hound needlefish
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| Native range |
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| This map was computer-generated and has not yet been reviewed. |
| Tylosurus crocodilus AquaMaps Data sources: GBIF OBIS |
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Tylosurus crocodilus
Photo de Baur, J.-C.
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Photo de Baur, J.-C.
Classification / Names Noms communs | Synonymes | Catalog of Fishes(Genre, Espèce) | ITIS | CoL | WoRMS | Cloffa
> Beloniformes (Needle fishes) > Belonidae (Needlefishes)
Etymology: Tylosurus: Greek, tylos = callus + Greek, oura = tail (Ref. 45335).
More on authors: Péron & Lesueur.
Etymology: Tylosurus: Greek, tylos = callus + Greek, oura = tail (Ref. 45335).
More on authors: Péron & Lesueur.
Environment: milieu / climate zone / depth range / distribution range Écologie
marin récifal; océanodrome (Ref. 51243); profondeur 0 - 13 m (Ref. 58302). Tropical; 26°C - 29°C (Ref. 4959); 21°N - 1°N
Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri
Indo-West Pacific: Red Sea and South Africa (Ref. 5317) and Persian Gulf (Ref. 68964) to French Polynesia (Ref. 6784), north to Japan (Ref. 559), south to New South Wales, Australia (Ref. 33390). Replaced by Tylosurus crocodilus fodiator in the eastern Pacific. Western Atlantic: New Jersey, USA to Brazil (Ref. 7251). Eastern Atlantic: Fernando Poo, Cameroon, Liberia, and Ascension Island (Ref. 5757); from Senegal and Guinea (Ref. 28587); and Cape Verde (Ref. 27000). Recorded from the Mediterranean Sea (Ref. 83387).
Length at first maturity / Taille / Poids / Âge
Maturity: Lm 51.7, range 50 - 55 cm
Max length : 150 cm TL mâle / non sexé; (Ref. 30573); common length : 90.0 cm SL mâle / non sexé; (Ref. 9682); poids max. publié: 6.4 kg (Ref. 40637)
Max length : 150 cm TL mâle / non sexé; (Ref. 30573); common length : 90.0 cm SL mâle / non sexé; (Ref. 9682); poids max. publié: 6.4 kg (Ref. 40637)
Description synthétique Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 0; Rayons mous dorsaux (Total) : 21 - 24; Épines anales: 0; Rayons mous anaux: 19 - 22; Vertèbres: 75 - 80. This species with is distinguished by the following characters: body elongate, circular in cross-section; D 21-24 with anterior rays forming a relatively high lobe, 5.4-10.6 body length (excluding the head and caudal fin); dorsal fin origin about equal with or slightly in front to anal fin origin; A 19-22 with anterior rays forming a relatively high lobe, in 5.5-8.0 in BL; pectoral-fin rays 13 to 15 (usually 14 or 15); 270-340 predorsal scales; 75-80 vertebrae; jaws extremely long, forming a stout beak armed with very sharp teeth; no gill rakers absent; caudal fin deeply emarginate, the lower lobe much longer than the upper one and the caudal peduncle with a distinct, black lateral keel; body colour dark bluish green above, silvery below; juveniles (to 20 cm body length) with elevated black lobe in posterior part of dorsal fin which is lost with growth; scales and bones green (Ref. 9682, 90102).
Body shape (shape guide): elongated; Cross section: circular.
Body shape (shape guide): elongated; Cross section: circular.
A pelagic species (Ref. 26340) found over lagoon and seaward reefs. Solitary or in small groups. Feeds on fishes (Ref. 11889). Oviparous (Ref. 205). Eggs may be found attached to objects in the water by tendrils on the egg's surface (Ref. 205). Feared by fishers because they can cause puncture wounds with their sharp snouts when jumping out of the water, e.g. when alarmed or attracted to lights at night. Although sold fresh and considered a good food fish, its market is limited due to the green-colored flesh (Ref. 5217). Widespread in tropical Indo-Pacific, divisible in two subspecies (Ref 90102). Caught by casting or trolling surface or near-surface lures; also with purse seines and drift nets (Ref. 9682).
Life cycle and mating behavior Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Référence principale
Upload your references | Références | Coordinateur : Collette, Bruce B. | Collaborateurs
Randall, J.E., G.R. Allen and R.C. Steene, 1990. Fishes of the Great Barrier Reef and Coral Sea. University of Hawaii Press, Honolulu, Hawaii. 506 p. (Ref. 2334)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-2)
Préoccupation mineure (LC) ; Date assessed: 21 August 2012
CITES
Not Evaluated
Menace pour l'homme
Traumatogenic (Ref. 4690)
Utilisations par l'homme
Pêcheries: commercial; pêche sportive: oui
FAO - pêcheries: landings; Publication: search | FishSource | Sea Around Us
Plus d'informations
Trophic ecology
Food items (preys)
Composition du régime alimentaire
Consommation alimentaire
Food rations
Prédateurs
Food items (preys)
Composition du régime alimentaire
Consommation alimentaire
Food rations
Prédateurs
Population dynamics
Paramètres de croissance
Max. ages / sizes
Length-weight rel.
Length-length rel.
Fréquences de longueurs
Mass conversion
Recrutement
Abondance
Paramètres de croissance
Max. ages / sizes
Length-weight rel.
Length-length rel.
Fréquences de longueurs
Mass conversion
Recrutement
Abondance
Physiology
Body composition
Nutrients
Consommation d'oxygène
Type de nage
Vitesse de nage
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Body composition
Nutrients
Consommation d'oxygène
Type de nage
Vitesse de nage
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Genetics
Génétique
Heterozygosity
Héritabilité
Génétique
Heterozygosity
Héritabilité
Human related
Aquaculture systems
Profils d'aquaculture
Souches
Ciguatera cases
Stamps, coins, misc.
Aquaculture systems
Profils d'aquaculture
Souches
Ciguatera cases
Stamps, coins, misc.
Outils
Bio-Quiz | E-book | Guide de terrain | Clés d'identification | Générateur de fréquences de longueur | Outil de dynamique de population | Carte par point | Classification Tree
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Articles particuliers
Télécharger en XML
Sources Internet
AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | FishWatcher | CISTI | Catalog of Fishes: Genre, Espèce | DiscoverLife | ECOTOX | FAO - pêcheries: landings; Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: génôme, nucléotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Bases de données nationales | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Arbre de Vie | Wikipedia: aller à, chercher | World Records Freshwater Fishing | Zoological Record
Estimates based on models
Preferred temperature (Ref. 123201): 27.1 - 29.2, mean 28.5 °C (based on 1591 cells).
Phylogenetic diversity index (Ref. 82804): PD50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00112 (0.00093 - 0.00136), b=3.10 (3.04 - 3.16), in cm total length, based on LWR estimates for this species (Ref. 93245).
Niveau trophique (Ref. 69278): 4.4 ±0.4 se; based on diet studies.
Generation time: 3.7 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies.
Résilience (Ref. 120179): Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Preliminary K or Fecundity.).
Prior r = 0.57, 95% CL = 0.38 - 0.86, Based on 1 data-limited stock assessment.
Fishing Vulnerability (Ref. 59153): Moderate to high vulnerability (47 of 100).
Climate Vulnerability (Ref. 125649): Very high vulnerability (91 of 100).
Nutrients (Ref. 124155): Calcium = 45.3 [13.1, 198.8] mg/100g; Iron = 0.475 [0.220, 1.403] mg/100g; Protein = 16.4 [13.7, 19.6] %; Omega3 = 0.109 [0.046, 0.331] g/100g; Selenium = 39.2 [19.0, 90.4] μg/100g; VitaminA = 176 [28, 893] μg/100g; Zinc = 0.644 [0.414, 1.036] mg/100g (wet weight); based on nutrient studies.