Chinese Taipei (Taiwan) country information

Common names: [No common name]
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Also Ref. 5193, 47843.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/tw.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Compagno, L.J.V., 1984
National Database: The Fish Database of Taiwan

Common names from other countries

Requin de sable, Tiburón arenero, Shark, ... more

Классификация / Names народные названия | синонимы | Catalog of Fishes(род, виды) | ITIS | CoL | WoRMS | Cloffa

Пластиножаберные (акулы и скаты) (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); obscurus: Latin for dark, probably referring to its darkish blue-gray body color. (See ETYFish).
More on author: Lesueur.

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

морской; солоноватоводный ассоциированный с рифами; мигрирует в океане (Ref. 51243); пределы глубины 0 - 400 m (Ref. 244), usually 200 - 400 m. Subtropical; 45°N - 46°S, 120°W - 156°E (Ref. 55186)

распространение страны | регионы FAO | Ecosystems | места находок | Point map | интродукции | Faunafri

Western Atlantic: southern Massachusetts to Florida (USA), Georges Bank, Bahamas, Cuba, northern Gulf of Mexico, Nicaragua, southern Brazil and Uruguay (Ref. 58839). Eastern Atlantic: Canary Islands, Cape Verde, Senegal, Sierra Leone. Some records from the Mediterranean and Madeira may be based on Carcharhinus galapagensis. Indo-West Pacific: Red Sea (Ref. 5485), Mozambique and South Africa to Japan, China, Viet Nam and Australia. Eastern Pacific: southern California, USA to Gulf of California and the Revillagigedo Island. Highly migratory species.

Length at first maturity / Size / Вес / Возраст

Maturity: L_m 249.5, range 220 - 300 cm
Max length : 420 cm TL самец/пол неопределен; (Ref. 5578); common length : 250 cm TL самец/пол неопределен; (Ref. 26999); наибольший вес (опубликованные данные): 346.5 kg (Ref. 4699); наибольший возраст (опубликованны данные): 40 годы (Ref. 31395)

Краткое описание определительные ключи | морфология | морфометрия

колючие лучи спинного плавника (общее число) : 0; колючие лучи анального плавника: 0. A large shark with a broadly rounded snout, triangular saw-edged upper teeth, curved moderate-sized pectoral fins, and an interdorsal ridge (Ref. 5578). Blue-grey, lead-grey above, white below; tips of pectoral and pelvic fins, as well as lower lobe of caudal fin and dorsal fins often dusky in young, plain in adults (Ref. 9997).

Found in coastal and offshore waters but not oceanic (Ref. 5578). Adults are commonly found at depths of 200-400 m, young in shallower waters (Ref. 5485). A seasonal migratory species over parts of its range (Ref. 6871). Common component of the catch of the shark longline fishery (Ref.58048). Feeds on bottom and pelagic bony fish, sharks, skates, rays, cephalopods, gastropods, crustaceans, sometimes mammalian carrion and inorganic objects (Ref. 5578). Viviparous (Ref. 50449); with litter size number from 3-14 (Ref. 27549). Large adults are potentially dangerous (Ref. 4716, 6871). Utilized fresh, dried-salted, frozen and smoked for human consumption; hides for leather; fins for sharks-fin soup; and liver oil extracted for vitamins (Ref. 244).

Life cycle and mating behavior Maturities | размножение | Spawnings | Egg(s) | Fecundities | личинки

Viviparous, with a yolk-sac placenta, litter size 3-14 pups (Ref. 244); 70-100 cm at birth (Ref. 6871). Gestation period of ~ 16 months (Ref.58048). Distinct pairing with embrace (Ref. 205).

Основная ссылка Upload your references | ссылки | координатор : Compagno, Leonard J.V. | соавторы

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)

Статус Красного Списка МСОП (Ref. 130435)

Под угрозой исчезновения (EN) (A2bd); Date assessed: 06 November 2018

CITES (Ref. 128078)

Appendix II: International trade monitored

CMS (Ref. 116361)

Appendix II: Migratory species conserved through agreements

Угроза для людей

Traumatogenic (Ref. 4690)

Использование человеком

рыболовство: коммерческий; объект спортивного рыболовства: да

FAO(рыболовство: production, Видовой профиль; publication : search) | FishSource | Sea Around Us

дополнительная информация

Trophic ecology
пищевые объекты
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хищники

Ecology
экология
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Population dynamics
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Life cycle
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Anatomy
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Physiology
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Visual pigment(s)
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Genetics
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Специальные отчеты

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Резюмирующая страница | Point data | народные названия | Фото

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Estimates based on models

Preferred temperature (Ref. 115969): 8.7 - 18.6, mean 12.6 (based on 736 cells).

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

Bayesian length-weight: a=0.00759 (0.00428 - 0.01346), b=3.08 (2.93 - 3.23), in cm Total Length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).

Trophic level (Ref. 69278): 4.3 ±0.2 se; based on diet studies.

устойчивость к внешним воздействиям (Ref. 120179): очень низкий, минимальное время удвоения популяции более 14 лет (rm=0.02; also Musick et al. 2000 (Ref. 36717)).

Prior r = 0.09, 95% CL = 0.06 - 0.13, Based on 1 data-limited stock assessment.

Fishing Vulnerability (Ref. 59153): Very high vulnerability (88 of 100).

Climate Vulnerability (Ref. 125649): High vulnerability (62 of 100).

Категория цены (Ref. 80766): Medium.

Carcharhinus obscurus (Lesueur, 1818)