Rhizoprionodon taylori, Australian sharpnose shark : fisheries

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Espèces associées
- Espèces pour
  Rhizoprionodon
- Espèces pour
  Carcharhinidae
- - Classification -
- Carcharhinidae
- Carcharhiniformes
- Elasmobranchii
- Chordata
- Animalia

Rhizoprionodon taylori (Ogilby, 1915)

Australian sharpnose shark

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Native range | All suitable habitat | Point map | Year 2050

This map was computer-generated and has not yet been reviewed.

Rhizoprionodon taylori AquaMaps Data sources: GBIF OBIS

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Image of Rhizoprionodon taylori (Australian sharpnose shark)

Classification / Names Noms communs | Synonymes | Catalog of Fishes(Genre, Espèce) | ITIS | CoL | WoRMS | Cloffa

Élasmobranches (requins et raies) (sharks and rays) > Carcharhiniformes (Ground sharks) > Carcharhinidae (Requiem sharks)
Etymology: Rhizoprionodon: rhiza (Gr.), root; prion (Gr.) saw; odon (Gr.), tooth, referring to teeth with serrated (saw-like) bases, or roots [replacement name for Rhizoprion Ogilby 1915, preoccupied by Rhizoprion Jourdan 1861 in mammals] (See ETYFish); taylori: In honor of entomologist Frank Henry Taylor (1886-1945), Institute of Tropical Medicine, Townsville, North Queensland, Australia, who collected holotype (See ETYFish).
Eponymy: Frank Henry Taylor (1886–1945) was an entomologist at the Institute of Tropical Medicine, Townsville, Queensland, Australia. [...] (Ref. 128868), visit book page.
More on author: Ogilby.

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

marin; profondeur ? - 300 m (Ref. 75154). Tropical; 8°S - 28°S

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

Western Pacific: off Papua New Guinea and northern Australia.

Length at first maturity / Taille / Poids / Âge

Maturity: L_m 47.0, range 42 - ? cm
Max length : 69.1 cm TL mâle / non sexé; (Ref. 9161); âge max. reporté: 7 années (Ref. 9161)

Description synthétique Clés d'identification | Morphologie | Morphométrie

Épines dorsales (Total) : 0; Épines anales: 0. Brownish grey above, white below, fins light-edged but not conspicuously marked (Ref. 9997).

A little-known shark (Ref. 9997) found on the continental shelf from close inshore to a depth of at least 110 m (Ref. 6871). Feeds mainly on fishes, but also takes cephalopods and crustaceans (Ref. 6871). Viviparous (Ref. 50449). Caught frequently by inshore demersal gillnet fisheries off Papua, but rarely elsewhere. Utilized for its fins and meat (Ref.58048). Too small to be of any commercial importance (Ref. 6871).

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

Viviparous, with a yolk-sac placenta (Ref. 9997) and 1-10 pups after a gestation period of 11-12 months; born at ~ 25 cm TL; very rapid growth (Ref.58048). Distinct pairing with embrace (Ref. 205).

Référence principale Upload your references | Références | Coordinateur : Compagno, Leonard J.V. | Collaborateurs

Compagno, L.J.V., 1984. FAO Species Catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 2 - Carcharhiniformes. FAO Fish. Synop. 125(4/2):251-655. Rome: FAO. (Ref. 244)

Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-2)

Préoccupation mineure (LC) ; Date assessed: 23 July 2018

CITES

Appendix II: International trade monitored

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

Harmless

Utilisations par l'homme

Pêcheries:

FAO - Publication: search | FishSource |

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Trophic ecology
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Life cycle
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Estimates based on models

Preferred temperature (Ref. 123201): 22.5 - 28, mean 26.6 °C (based on 321 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00427 (0.00202 - 0.00902), b=3.10 (2.93 - 3.27), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).

Niveau trophique (Ref. 69278): 4.5 ±0.0 se; based on diet studies.

Generation time: 2.6 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies.

Résilience (Ref. 120179): Très faible, temps minimum de doublement de population supérieur à 14 ans (K=1.01-1.34; tm=1; tmax=7; Fec=1-8).

Fishing Vulnerability (Ref. 59153): Low to moderate vulnerability (33 of 100).

Catégorie de prix (Ref. 80766): Medium.

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