Liberia 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/li.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Compagno, L.J.V., 1984
National Database:

Common names from other countries

Requin soyeux, Tiburón jaquetón, Olive 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); falciformis: falx (L.), scythe or sickle; forma (L.), shape or form, referring to sickle-like shape of pectoral fins [authorship often attributed to Müller & Henle, who published Bibron’s description]. (See ETYFish).

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

морской ассоциированный с рифами; мигрирует в океане (Ref. 51243); пределы глубины 0 - 4000 m (Ref. 55180), usually 0 - 500 m (Ref. 6871). Subtropical; 42°N - 43°S, 180°W - 180°E (Ref. 55180)

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

Circumtropical. Western Atlantic: Massachusetts, USA to southern Brazil, including the Gulf of Mexico and the Caribbean Sea to Uruguay (Ref. 244, 58839). Eastern Atlantic: Spain, Madeira to northern Angola; St. Paul's Rocks (Ref. 13121); Cape Verde (Ref. 34514). Indo-Pacific: scattered records from the Red Sea and Natal, South Africa (Ref. 5578) to China, New Zealand, and the Caroline, Hawaiian, Phoenix and Line islands. Eastern Pacific: southern Baja California, Mexico to northern Chile. Highly migratory species.

Length at first maturity / Size / Вес / Возраст

Maturity: L_m 219.1, range 180 - 260 cm
Max length : 350 cm TL самец/пол неопределен; (Ref. 9997); common length : 250 cm TL самец/пол неопределен; (Ref. 9997); наибольший вес (опубликованные данные): 346.0 kg (Ref. 40637); наибольший возраст (опубликованны данные): 25 годы (Ref. 31395)

Краткое описание определительные ключи | морфология | морфометрия

колючие лучи спинного плавника (общее число) : 0; колючие лучи анального плавника: 0. A large, slim shark with a moderately long, flat and rounded snout, large eyes, small jaws, and oblique-cusped teeth with serrations; 2nd dorsal fin low and with greatly elongated rear tip (Ref. 5578). Grey or bluish-grey above, white below; no conspicuous fin markings (Ref. 5578). Only Carcharhinus species with an interdorsal ridge that has the dorsal fin origin behind the free rear tip of the pectoral fin (Ref. 26938).

Found abundantly near the edge of continental and insular shelves, but also in the open sea and occasionally inshore (Ref. 244). Often found in deepwater reefs and near insular slopes (Ref. 244). Littoral and epipelagic, in the open sea or near the bottom at 18-500 m (Ref. 58302). It is quick-moving and aggressive (Ref. 244). Solitary (Ref. 26340); often associated with schools of tuna (Ref. 244). Feeds mainly on fishes, but also squid, paper nautiluses, and pelagic crabs (Ref. 244; 37816). Viviparous (Ref. 50449). Regarded as dangerous to humans (Ref. 9997). Flesh utilized fresh and dried-salted for human consumption; its hide for leather; its fin for shark-fin soup; its liver for oil (Ref. 244). 2 to 14 young, 73 to 87 cm, are born per litter (Ref. 1602).

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

Viviparous, placental (Ref. 50449). 2-15 pups (Ref. 6871, 37816) born at 57-87 cm TL (Ref. 9997); 1-16 pups born at 55-72 cm TL. Females appear to breed every year, but there appears to be no reproductive seasonality (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)

уязвимый; см. Красный Список МСОП (VU) (A2bd); Date assessed: 26 September 2017

CITES (Ref. 128078)

Appendix II: International trade monitored

CMS (Ref. 116361)

Appendix II: Migratory species conserved through agreements

Угроза для людей

Traumatogenic (Ref. 9997)

Использование человеком

рыболовство: важный объект промысла

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

дополнительная информация

Trophic ecology
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хищники

Ecology
экология
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Population dynamics
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Length-weight rel.
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Life cycle
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Distribution
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BRUVS - Videos

Anatomy
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Physiology
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звуки, издаваемые рыбами
Diseases / Parasites
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Genetics
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Human related
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Stamps, coins, misc.

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Estimates based on models

Preferred temperature (Ref. 115969): 12 - 28.9, mean 26.7 (based on 8170 cells).

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

Bayesian length-weight: a=0.00468 (0.00378 - 0.00579), b=3.08 (3.04 - 3.12), in cm Total Length, based on LWR estimates for this species (Ref. 93245).

Trophic level (Ref. 69278): 4.5 ±0.0 se; based on diet studies.

устойчивость к внешним воздействиям (Ref. 120179): низкий, минимальное время удвоения популяции 4.5-14 лет (rm=0.054; K=0.05-0.15; tm=6-10; tmax=25; Fec=2-14).

Prior r = 0.06, 95% CL = 0.04 - 0.09, Based on 3 data-limited stock assessments.

Fishing Vulnerability (Ref. 59153): Very high vulnerability (82 of 100).

Climate Vulnerability (Ref. 125649): Very high vulnerability (76 of 100).

Категория цены (Ref. 80766): High.

Carcharhinus falciformis (Bibron, 1839)