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Ikan bertulang rawan (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 Ekologi

laut bentopelagis; kisaran kedalaman 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)

Penyebaran Negara-negara | Daerah-daerah FAO | Ecosystems | Kemunculan | Point map | Introduksi | Faunafri

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).

Length at first maturity / Size / Weight / umur

Maturity: L_m 202.5, range 150 - 205 cm
Max length : 280 cm TL jantan/; (Ref. 244); common length : 200 cm TL jantan/; (Ref. 26999); Berat maksimum terpublikasi: 76.7 kg (Ref. 40637)

deskripsi pendek Kunci identifiaksi (pengenalan) | Morfologi | Morfometrik

Duri punggung (Keseluruhan (total)) : 0; Duri dubur: 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).

Life cycle and mating behavior Maturities | Reproduksi, perkembang biakan | Spawnings | Egg(s) | Fecundities | Larva

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).

rujukan utama Upload your references | Acuan | Koordinator : Compagno, Leonard J.V. | mitra

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 IUCN Red List (Ref. 130435)

terancam (EN) (A2bd); Date assessed: 21 June 2019

CITES

Appendix II: International trade monitored

CMS (Ref. 116361)

Not Evaluated

ancaman kepada manusia

Harmless (Ref. 244)

penggunaan manusia

Perikanan: komersial

FAO - Perikanan: profail spesis; 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).

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

Bayesian length-weight: a=0.00457 (0.00292 - 0.00715), b=3.08 (2.96 - 3.20), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).

Trophic level (Ref. 69278): 4.6 ±0.0 se; based on diet studies.

Daya lenting (Ref. 120179): sangat rendah, Waktu penggandaan populasi minimum lebih dari 14 tahun (tm=8-10; Fec=4; Tmax=17; K=0.12).

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

kategori harga (Ref. 80766): Medium.

Carcharhinus signatus (Poey, 1868)