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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); signatus: Latin for marked, probably referring to indentation on outer margins of upper teeth (described from jaws only) (See ETYFish).
More on author: Poey.

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

marien benthopelagisch; diepte 0 - 600 m (Ref. 244), usually 50 - 100 m (Ref. 244). Subtropical; 11°C - 16°C (Ref. 244); 39°N - 43°S, 98°W - 15°E (Ref. 55190)

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Western Atlantic: Delaware to Florida (USA), Bahamas, and Cuba; southern Brazil, Argentina (Ref. 244). Eastern Atlantic: Senegal to Côte d'Ivoire, Ghana to Cameroon, Democratic Republic of the Congo, Angola, off northern Namibia (Ref. 244, 5578).

Lengte bij maturiteit / Grootte / Gewicht / Leeftijd

Maturity: L_m 202.5, range 150 - 205 cm
Max length : 280 cm TL mannelijk / geslacht onbekend; (Ref. 244); common length : 200 cm TL mannelijk / geslacht onbekend; (Ref. 26999); max. gepubliceerd gewicht: 76.7 kg (Ref. 40637)

Korte beschrijving Determinatiesleutels | Morfologie | Morfometrie

Dorsale stekels (totaal) : 0; Anale stekels: 0. A slim shark with a very long, pointed snout, large eyes, and small jaws with oblique-cusped serrated upper teeth; dorsal fins low with elongated rear tips; interdorsal ridge present (Ref. 5578). Grey-brown above, white below; no conspicuous fin markings (Ref. 5578).

Coastal and semi-oceanic species found on or along outer continental and insular shelves (Ref. 244). Found to depths of 40 m (Ref. 26938). Forms schools (Ref. 244). Nocturnal (Ref. 5578), and feeding mainly on small bony fishes and squid (Ref. 244). Viviparous (Ref. 50449). Off West Africa, recorded water parameters at 90 to 285 m, where it was caught includes: temperature = 11 to 16°C; salinity = 36 ppt; oxygen = 1.81 ml/l (Ref. 244). Not known to be dangerous to people (Ref. 244).

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

Viviparous, placental (Ref. 50449), with 4 to 12 young in a litter (Ref. 244). Size at birth about 60 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) (A2bd); Date assessed: 21 June 2019

CITES

Appendix II: International trade monitored

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

Harmless (Ref. 244)

Gebruik door de mens

Visserij: commercieel; sportvis: ja

FAO - visserij: soortsprofiel; Publication: search | FishSource |

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Estimates based on models

Preferred temperature (Ref. 123201): 15.8 - 27, mean 21.7 °C (based on 178 cells).

Fylogenetische diversiteitsindex (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00468 (0.00303 - 0.00722), b=3.07 (2.95 - 3.19), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).

Trofisch niveau (Ref. 69278): 4.6 ±0.0 se; based on diet studies.

Weerstandsvermogen (Ref. 120179): Zeer laag, minimale populatieverdubbelingstijd meer dan 14 jaar (tm=8-10; Fec=4; Tmax=17; K=0.12).

Fishing Vulnerability (Ref. 59153): High to very high vulnerability (73 of 100).

Prijsklasse (Ref. 80766): Medium.

Carcharhinus signatus (Poey, 1868)