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Carcharhinus amblyrhynchos (Bleeker, 1856)

Blacktail reef 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 amblyrhynchos   AquaMaps   Data sources: GBIF OBIS
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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)amblyrhynchos: amblys (Gr.), blunt; rhynchos (Gr.), snout, referring to its long, broadly rounded snout (See ETYFish).
More on author: Bleeker.

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

marien rifbewoner; oceanodroom (Ref. 51243); diepte 0 - 1000 m (Ref. 55178), usually 0 - 280 m (Ref. 6871). Tropical; 29°N - 35°S, 33°E - 151°W (Ref. 55178)

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Indo-West Pacific to Central Pacific: Madagascar and the Mauritius-Seychelles area to Tuamoto Archipelago; north to southern China; south to northern Australia.

Lengte bij maturiteit / Grootte / Gewicht / Leeftijd

Maturity: Lm 128.0, range 96 - 142 cm
Max length : 255 cm TL mannelijk / geslacht onbekend; (Ref. 2334); 172.0 cm TL (female); max. gepubliceerd gewicht: 33.7 kg (Ref. 4699); max. gerapporteerde leeftijd: 25 Jaren (Ref. 37816)

Korte beschrijving Determinatiesleutels | Morfologie | Morfometrie

Dorsale stekels (totaal) : 0; Anale stekels: 0. Dark grey or bronze-grey above, white below; caudal fin with a conspicuous wide black posterior margin; undersides of pectoral and pelvic fins with black tips and posterior margins, but fins otherwise not conspicuously black or white-tipped except for white-tipped first dorsal in some individuals (Ref. 9997).

Biologie     Verklarende woordenlijst (bv. epibenthic)

Occurs on continental and insular shelves and oceanic waters adjacent to them (Ref. 244). Common on coral reefs, often in deeper areas near drop-offs to the open sea, in atoll passes, and in shallow lagoons adjacent to areas of strong currents (Ref. 244). Coastal-pelagic near the bottom, near drop-offs at 1-275 m (Ref. 58302). Forms daytime schools or aggregations in favored areas (Ref. 244). Although active during the day, it is more active nocturnally (Ref. 244). Viviparous, with 1-6 pups (Ref. 37816). Feeds on reef fishes, squids, octopi, crabs, lobsters and shrimps (Ref. 244, 5578). Tends to be aggressive under baited conditions (Ref. 6871) and readily enters into a frenzy feeding pattern, at which time it may become quite dangerous. Repeatedly incriminated in human attacks. Utilized for human consumption, fishmeal, and other shark products. Minimum depth from Ref. 6871. Maximum length of female taken from Ref. 5213.

Levenscyclus en paargedrag Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven

Viviparous, placental (Ref. 50449). 1-6 pups in a litter (Ref. 244). Gestation period about 12 months (Ref. 244). Size at birth 50 to 60 cm (Ref. 26346, 37816) or 75 cm (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: Version 2024-2)

  Bedreigd (EN) (A2bcd); Date assessed: 03 July 2020

CITES


CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

  Traumatogenic (Ref. 4716)





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. 123201): 17.5 - 29, mean 27.5 °C (based on 4022 cells).
Fylogenetische diversiteitsindex (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00525 (0.00315 - 0.00874), b=3.12 (2.98 - 3.26), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
Trofisch niveau (Ref. 69278):  4.1   ±0.5 se; based on diet studies.
Weerstandsvermogen (Ref. 120179):  Zeer laag, minimale populatieverdubbelingstijd meer dan 14 jaar (tm=7; tmax=25; K=0.05-0.86; Fec=1-6).
Fishing Vulnerability (Ref. 59153):  Very high vulnerability (85 of 100).
Prijsklasse (Ref. 80766):   Medium.
Nutrients (Ref. 124155):  Calcium = 5.22 [1.08, 26.72] mg/100g; Iron = 0.37 [0.09, 1.07] mg/100g; Protein = 22 [19, 24] %; Omega3 = 0.123 [0.051, 0.293] g/100g; Selenium = 56.3 [15.3, 156.2] μg/100g; VitaminA = 40.1 [15.4, 109.4] μg/100g; Zinc = 0.496 [0.237, 0.971] mg/100g (wet weight);