Monaco country information

Common names: [No common name]
Occurrence: native
Salinity: brackish
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/mn.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Compagno, L.J.V., 1984
National Database:

Common names from other countries

Requin-marteau commun, Cornuda cruz, Round-headed hammerhead, ... 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) > Sphyrnidae (Hammerhead, bonnethead, or scoophead sharks)
Etymology: Sphyrna: Probable misspelling of sphyra (Gr.), hammer, referring to their hammer-shaped heads. (See ETYFish); zygaena: zygaina, ancient Greek name for hammerhead sharks, derived from zygon, yoke, alluding to yoke-like shape of cephalofoil. (See ETYFish).
More on author: Linnaeus.

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

морской; солоноватоводный; мигрирует в океане (Ref. 13562); пределы глубины 0 - 200 m (Ref. 5578), usually 0 - 20 m (Ref. 55303). Subtropical; 59°N - 55°S, 180°W - 180°E

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

Widespread in temperate and tropical seas (Ref. 13562). Western Atlantic: Canada to the Virgin Islands; Brazil to Argentina. Eastern Atlantic: British Isles to Côte d'Ivoire, including the Mediterranean. Indo-Pacific: South Africa to Sri Lanka; southern Siberia to Viet Nam (Ref. 13562); southern Australia, New Zealand, and Hawaii (Ref. 13562). Eastern Pacific: northern California, USA to Chile.

Length at first maturity / Size / Вес / Возраст

Maturity: L_m 250.0, range 265 - ? cm
Max length : 500 cm TL самец/пол неопределен; (Ref. 35388); common length : 335 cm TL самец/пол неопределен; (Ref. 13562); наибольший вес (опубликованные данные): 400.0 kg (Ref. 9987); наибольший возраст (опубликованны данные): 21 годы (Ref. 116211)

Краткое описание определительные ключи | морфология | морфометрия

колючие лучи спинного плавника (общее число) : 0; колючие лучи анального плавника: 0. A large hammerhead without a notch at the center of the curved headhead (Ref. 58085); but with prominent lateral indentations; prenarial grooves well-developed; snout short, 1/5 to less than a third of head width; mouth broadly arched (Ref. 114967); the first dorsal fin is moderately high, the second dorsal and pelvic fins are low. Colour olive-grey or dark grey above, white below, and the undersides of the pectoral fin tips dusky (Ref. 58085).

Occurs inshore and well offshore (Ref. 5578), over continental and insular shelves (Ref. 244). Coastal, pelagic, and semi-oceanic, but often bottom associated at 1-139 m (Ref. 58302). Migrates northward in summer; young often in large aggregations of hundreds of individuals (Ref. 13562). Prefers to feed on small sharks, skates and stingrays, but also preys on bony fishes, shrimps, crabs, barnacles and cephalopods (Ref. 244). Viviparous (Ref. 50449). Regarded as being dangerous to people, though only few can be tentatively attributed to this species due to its occurrence in temperate waters (Ref. 244). Reported to cause poisoning (Ref. 4690). Caught occasionally by shark and tuna longline fisheries (Ref.58048). Meat utilized fresh, dried-salted, and possibly smoked for human consumption; liver oil for vitamins, fins for soup, hide for leather, and carcasses for fishmeal (Ref. 244). Used in Chinese medicine (Ref. 12166). Become sexually mature when 250 to 300 cm long. The female gives birth to 30 - 40 young (Ref. 35388).

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

Viviparous, placental (Ref. 50449), with 20 to 50 young per litter (Ref. 6871)after a gestation period of 10-11 months (Ref.58048). Size at birth between 50-60 cm TL (Ref. 13562).

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: 08 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. 244)

Использование человеком

рыболовство: коммерческий; объект спортивного рыболовства: да

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

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Estimates based on models

Preferred temperature (Ref. 115969): 11.8 - 28.9, mean 26.5 (based on 3124 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5029 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00398 (0.00298 - 0.00532), b=3.08 (3.00 - 3.16), in cm Total Length, based on LWR estimates for this species (Ref. 93245).

Trophic level (Ref. 69278): 4.9 ±0.5 se; based on diet studies.

устойчивость к внешним воздействиям (Ref. 120179): низкий, минимальное время удвоения популяции 4.5-14 лет (tmax=21; tm=8.8; Fec=20-40).

Prior r = 0.28, 95% CL = 0.19 - 0.42, Based on 1 data-limited stock assessment.

Fishing Vulnerability (Ref. 59153): High to very high vulnerability (68 of 100).

Climate Vulnerability (Ref. 125649): Moderate vulnerability (38 of 100).

Категория цены (Ref. 80766): Low.

Sphyrna zygaena (Linnaeus, 1758)