Carcharhinus acronotus, Blacknose shark : fisheries, gamefish

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Espèces associées
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  Carcharhinus
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  Carcharhinidae
- - Classification -
- Carcharhinidae
- Carcharhiniformes
- Elasmobranchii
- Chordata
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Carcharhinus acronotus (Poey, 1860)

Blacknose 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.

Carcharhinus acronotus AquaMaps Data sources: GBIF OBIS

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Image of Carcharhinus acronotus (Blacknose 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: Carcharhinus: karcharos (Gr.), sharp or jagged; rhinus, an ancient name for sharks, from rhine (Gr.), rasp, both words alluding to a shark's jagged, rasp-like skin (See ETYFish); acronotus: acro-, from akron (Gr.), top, summit or peak; notus, from notos (Gr.), back, allusion not explained, perhaps referring to “raised” (translation) back at first dorsal fin (See ETYFish).
More on author: Poey.

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

marin récifal; profondeur 9 - 64 m (Ref. 50072), usually 9 - ? m (Ref. 55176). Subtropical; 40°N - 37°S, 100°W - 33°W (Ref. 55176)

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

Western Atlantic: North Carolina, USA to southern Brazil and Uruguay (Ref. 58839), including the Gulf of Mexico and the Caribbean.

Length at first maturity / Taille / Poids / Âge

Maturity: L_m 110.7, range 87 - 137 cm
Max length : 200 cm TL mâle / non sexé; (Ref. 244); poids max. publié: 18.9 kg (Ref. 40637); âge max. reporté: 20 années (Ref. 108669)

Found on continental and insular shelves, mainly over sandy, shell, and coral bottoms. Feeds on small fishes, including pinfish (Sparidae) and porcupine fish. Preyed on by larger sharks. Viviparous (with a yolk-sac placenta), with 3 to 6 young per litter. Performs a 'hunch' display, with back arched, caudal lowered and head raised, as a possible threat display when confronted by divers. Utilized dried salted for human consumption. Minimum depth from Ref. 055176.

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

Viviparous, placental (Ref. 50449), with 3 to 6 young per litter (Ref. 244). 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)

Menacé (EN) (A2bd); Date assessed: 01 July 2019

CITES

Appendix II: International trade monitored

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

Harmless (Ref. 244)

Utilisations par l'homme

Pêcheries: intérêt commercial mineur; pêche sportive: oui

FAO - Publication: search | FishSource | Sea Around Us

Plus d'informations

Trophic ecology
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Ecology
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Length-weight rel.
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Life cycle
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Maturité
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Estimates based on models

Preferred temperature (Ref. 123201): 22.2 - 28, mean 25.5 °C (based on 520 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).

Niveau trophique (Ref. 69278): 4.4 ±0.5 se; based on diet studies.

Résilience (Ref. 120179): Faible, temps minimum de doublement de population : 4,5 à 14 années (K=0.12; tm=3; tmax=15; Fec=4).

Prior r = 0.44, 95% CL = 0.29 - 0.66, Based on 1 full stock assessment.

Fishing Vulnerability (Ref. 59153): High vulnerability (60 of 100).

Catégorie de prix (Ref. 80766): Medium.

Nutrients (Ref. 124155): Calcium = 4.6 [0.8, 24.8] mg/100g; Iron = 0.382 [0.095, 1.094] mg/100g; Protein = 23 [20, 25] %; Omega3 = 0.156 [0.059, 0.385] g/100g; Selenium = 13.2 [4.0, 40.1] μg/100g; VitaminA = 34.1 [11.8, 102.7] μg/100g; Zinc = 0.367 [0.171, 0.718] mg/100g (wet weight);

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