Galeocerdo cuvier, Tiger shark : fisheries, gamefish

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Galeocerdo cuvier (Péron & Lesueur, 1822)

Tiger shark
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Native range | All suitable habitat | Point map | Year 2050
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Galeocerdo cuvier   AquaMaps   Data sources: GBIF OBIS
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Классификация / Names народные названия | синонимы | Catalog of Fishes(род, виды) | ITIS | CoL | WoRMS | Cloffa

Пластиножаберные (акулы и скаты) (sharks and rays) > Carcharhiniformes (Ground sharks) > Galeocerdonidae (Tiger sharks)
Etymology: Galeocerdo: galeos, a small shark or dogfish according to Aristotle and others (but perhaps used here as a generic term for shark); kerdo, Greek for fox, allusion not explained, perhaps referring to a cunning ability to steal bait from the line (see Alopias, Alopiidae). (See ETYFish);  cuvier: Patronym not identified but almost certainly in honor of French naturalist Georges Cuvier (1769-1832), then most famous for his Le Règne Animal (1816), a survey of the animal kingdom based on comparative anatomy [presumably a noun in apposition, without the patronymic “i”]. (See ETYFish).
More on authors: Péron & Lesueur.

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

морской; солоноватоводный донно-пелагический; мигрирует в океане (Ref. 51243); пределы глубины 0 - 800 m (Ref. 96339), usually 0 - 140 m (Ref. 26938). Subtropical; 62°N - 44°S, 180°W - 180°E

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

Circumglobal in tropical and temperate seas. Western Atlantic: Massachusetts, USA to Uruguay, including Gulf of Mexico and the Caribbean. Eastern Atlantic: Iceland to Angola. Indo-Pacific: Persian Gulf (Ref. 68964), Red Sea and East Africa to Hawaii and Tahiti, north to southern Japan, south to New Zealand. Eastern Pacific: southern California, USA to Peru, including the Revillagigedo, Cocos, and Galapagos islands. Highly migratory species.

Length at first maturity / Size / Вес / Возраст

Maturity: Lm 300.0, range 210 - 350 cm
Max length : 750 cm TL самец/пол неопределен; (Ref. 58784); common length : 500 cm TL самец/пол неопределен; (Ref. 2683); наибольший вес (опубликованные данные): 807.4 kg (Ref. 4699); наибольший возраст (опубликованны данные): 50 годы (Ref. 4827)

Краткое описание морфология | морфометрия

колючие лучи спинного плавника (общее число): 0; членистые (мягкие) лучи спинного плавника (общее число): 0; колючие лучи анального плавника 0; членистые (мягкие) лучи анального плавника: 0. This species is a huge, vertical tiger-striped shark with a very short or broad, bluntly rounded snout (its length much less than width of mouth), long upper labial furrows (about as long as snout, reaching front of eyes), a big mouth with large, saw-edged, cockscomb-shaped teeth (coarsely serrated with outer edges deeply notched and tips directed obliquely outward); spiracles small, slit-like, but easily visible, caudal keels low. Colour of back dark grey or greyish brown with vertical dark grey to black bars and rectangular spots often forming bars on sides and fins, but fading with growth (Ref. 5578, 9997).

биология     глоссарий (например epibenthic)

Usually found near surface to depths of 140 m (Ref. 26938); in Tahiti from 0-350 m (Ref. 89972). Occurs on or adjacent to continental and insular shelves, frequenting river estuaries, off wharves and jetties in harbors, and in coral atolls and lagoons (Ref. 244). Bottom-associated, sometimes pelagic (Ref. 58302). Also off oceanic islands far from other islands and continental land masses (Ref. 244). Makes excursions in the open ocean, but is not a truly oceanic species (Ref. 244). Nocturnal feeder on other sharks, rays, bony fishes, marine mammals, tortoises, seabirds, sea snakes, squids, gastropods, crustaceans, detritus (Ref. 9997), also including toxic or armored fish species such as Lactoria cornuta or Diodon hystrix, porpoises, whales, sea turtles, cephalopods, domestic animals and humans (Ref. 37816). It also feeds on carrion and garbage, including cans, pieces of metal and burlap bags (Ref. 26938). Second only to Carcharodon carcharias in recorded attacks on humans with at least 27 documented attacks sourced to it . One specimen, reportedly taken off Indo-China, weighed 3,110 kg and measured 740 cm (Ref. 9987). May be kept in an aquaria, but does not last for more than a few months (Ref. 244). Ovoviviparous (Ref. 50449). Up to 80 young of 51 to 104 cm are born per litter (Ref. 1602). Valued for its meat, fins, hide and liver oil (Ref. 9997) and also for its jaws and cartilage (Ref. 58048). Often used for fishmeal (Ref. 9997). Utilized fresh, dried-salted, smoked and frozen (Ref. 9987). Species from the Persian Gulf and Oman Sea has a max size of 750 cm TL (Ref. 47613).

Life cycle and mating behavior половая зрелость | размножение | нерест | икра | Fecundity | личинки

Ovoviviparous (Ref. 4805, 6871) with 10-82 in a litter (Ref. 26346). Mating takes place even before gravid females have given birth (Ref. 244). Distinct pairing with embrace (Ref. 205). Gestation period: 13-16 months. Size at birth between 51 (Ref. 244) and 104 (Ref. 9997) cm TL; born at about 51-76 cm TL (Ref. 58048).

Основная ссылка Upload your references | ссылки | координатор | 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)

  Близок к исчезновению (NT) (A2bd+3d); Date assessed: 10 August 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Угроза для людей

  Traumatogenic (Ref. 244)





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рыболовство: коммерческий; объект спортивного рыболовства: да
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дополнительная информация

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Estimates based on models

Preferred temperature (Ref. 123201): 15.8 - 28.9, mean 26.4 °C (based on 6872 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 1.0000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00724 (0.00283 - 0.01852), b=3.09 (2.87 - 3.31), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic level (Ref. 69278):  4.5   ±0.0 se; based on diet studies.
Generation time: 10.3 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies.
устойчивость к внешним воздействиям (Ref. 120179):  низкий, минимальное время удвоения популяции 4.5-14 лет (tm=4-11; tmax=50; K=0.18-0.6; Fec=10).
Prior r = 0.27, 95% CL = 0.12 - 0.63, Based on 1 stock assessment.
Fishing Vulnerability (Ref. 59153):  High vulnerability (64 of 100).
Climate Vulnerability (Ref. 125649):  High vulnerability (57 of 100).
Категория цены (Ref. 80766):   Medium.
Nutrients (Ref. 124155):  Calcium = 4.57 [0.66, 26.59] mg/100g; Iron = 0.455 [0.113, 1.474] mg/100g; Protein = 21.6 [19.3, 23.7] %; Omega3 = 0.287 [0.118, 0.709] g/100g; Selenium = 52.8 [14.6, 163.1] μg/100g; VitaminA = 4.47 [1.34, 14.90] μg/100g; Zinc = 0.278 [0.132, 0.539] mg/100g (wet weight);