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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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Haiti country information

Common names: [No common name]
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments:
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ha.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Compagno, L.J.V., 1984
National Database:

Common names from other countries

Classificatie / Names Lokale namen | Synoniemen | Catalog of Fishes(Genus, Soort(en)) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (haaien en roggen) (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 Ecologie

marien rifbewoner; diepte 9 - 64 m (Ref. 50072), usually 9 - ? m (Ref. 55176).   Subtropical; 40°N - 37°S, 100°W - 33°W (Ref. 55176)

Verspreiding Landen | FAO regio's | Ecosystemen | Voorkomen | Point map | Introducties | Faunafri

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

Lengte bij maturiteit / Grootte / Gewicht / Leeftijd

Maturity: Lm 110.7, range 87 - 137 cm
Max length : 200 cm TL mannelijk / geslacht onbekend; (Ref. 244); max. gepubliceerd gewicht: 18.9 kg (Ref. 40637); max. gerapporteerde leeftijd: 20 Jaren (Ref. 108669)

Biologie     Verklarende woordenlijst (bv. epibenthic)

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.

Levenscyclus en paargedrag Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven

Viviparous, placental (Ref. 50449), with 3 to 6 young per litter (Ref. 244). Distinct pairing with embrace (Ref. 205).

Hoofdreferentie Upload your references | Referenties | Coördinator : Compagno, Leonard J.V. | Medewerkers

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)

Status op de Rode Lijst van het IUCN (Ref. 130435)

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

CITES (Ref. 128078)


CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

  Harmless (Ref. 244)




Gebruik door de mens

Visserij: van minder commercieel belang; sportvis: ja
FAO(Publication : search) | FishSource | Sea Around Us

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Estimates based on models

Preferred temperature (Ref. 115969): 22.2 - 28, mean 25.5 (based on 520 cells).
Fylogenetische diversiteitsindex (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00479 (0.00221 - 0.01036), b=3.09 (2.92 - 3.26), in cm Total Length, based on LWR estimates for this Genus-body shape (Ref. 93245).
Trofisch niveau (Ref. 69278):  4.4   ±0.5 se; based on diet studies.
Weerstandsvermogen (Ref. 120179):  laag, minimale populatieverdubbelingstijd 4,5-14 jaar (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).
Prijsklasse (Ref. 80766):   Medium.