Tylosurus crocodilus (Péron & Lesueur, 1821)
Hound needlefish
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| Native range | All suitable habitat | Point map | Year 2050 |
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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 / Noms 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.
Environnement : milieu / zone climatique / profondeur / gamme de distribution Écologie
marin récifal; océanodrome (Ref. 51243); profondeur 0 - 13 m (Ref. 58302). Tropical; 26°C - 29°C (Ref. 4959); 21°N - 1°N
Distribution Territoires | Zones FAO | Écosystèmes | Occurrences | Carte par point | 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).
Longueur à la première maturité / Taille / Poids / Âge
Maturité: 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).
Cycle de vie et comportement reproducteur Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Référence principale
Téléchargez vos références | 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 2025-2 (Global))
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 search; Publication: search | FishSource | Sea Around Us
Plus d'informations
Écologie trophique
Aliments (proies)
Composition du régime alimentaire
Consommation alimentaire
Rations alimentaires
Prédateurs
Aliments (proies)
Composition du régime alimentaire
Consommation alimentaire
Rations alimentaires
Prédateurs
Dynamique des populations
Paramètres de croissance
Âges / tailles maximales
Longueur-poids rel.
Rel. longueur-longueur.
Fréquences de longueurs
Conversion de masse
Recrutement
Abondance
Paramètres de croissance
Âges / tailles maximales
Longueur-poids rel.
Rel. longueur-longueur.
Fréquences de longueurs
Conversion de masse
Recrutement
Abondance
Physiologie
Composition corporelle
Nutriments
Consommation d'oxygène
Type de natation
Vitesse de nage
Pigments visuels
Son de poisson
Maladies et parasites
Toxicité (CL50)
Composition corporelle
Nutriments
Consommation d'oxygène
Type de natation
Vitesse de nage
Pigments visuels
Son de poisson
Maladies et parasites
Toxicité (CL50)
Liées à l'homme
Systèmes d'aquaculture
Profils d'aquaculture
Souches
Cas de ciguatera
Timbres, pièces de monnaie, divers
Systèmes d'aquaculture
Profils d'aquaculture
Souches
Cas de ciguatera
Timbres, pièces de monnaie, divers
Outils
Quiz bio | E-book | Guide de terrain | Clés d'identification | Générateur de fréquences de longueur | Outil de dynamique de population | Carte par point |
Capture-MSY |
Articles particuliers
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Sources Internet
AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | FishWatcher | CISTI | Catalog of Fishes: Genre, Espèce | DiscoverLife | ECOTOX | FAO - pêcheries: landings search; Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | Bases de données nationales | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | Arbre de Vie | Wikipedia: aller à, chercher | World Records Freshwater Fishing | Zoological Record
Estimations basées sur des modèles
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Indice de diversité phylogénétique (Réf. 82804) |
PD50 = 0.5010 [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). |
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Niveau trophique (Réf. 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. |
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Résilience (Réf. 120179) |
Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Preliminary K or Fecundity.). |
| Rate of population increase | Prior r = 0.57, 95% CL = 0.38 - 0.86, Based on 1 data-limited stock assessment. |
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Vulnérabilité de la pêche (Ref. 59153) |
Moderate to high vulnerability (47 of 100). 🛈 |
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Vulnérabilité climatique (Ref. 125649) |
Very high vulnerability (91 of 100). 🛈 |
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Catégorie de prix (Ref. 80766) |
Medium. |
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Nutriments (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. |