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Carcharhinus falciformis (Bibron, 1839)
Silky shark
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| Native range | All suitable habitat | Point map | Year 2050 |
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| This map was computer-generated and has not yet been reviewed. |
| Carcharhinus falciformis AquaMaps Data sources: GBIF OBIS |
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Carcharhinus falciformis
Picture by Furlan, B.
Pictures | Videos | Изображение на Google
Picture by Furlan, B.
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).
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: Lm 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)
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 половая зрелость | размножение | нерест | икра | Fecundity | 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: Version 2024-2)
уязвимый; см. Красный Список МСОП (VU) (A2bd); Date assessed: 26 September 2017
Угроза для людей
Traumatogenic (Ref. 9997)
Использование человеком
рыболовство: важный объект промысла
FAO - рыболовство: landings, Видовой профиль; Publication: search | FishSource | Sea Around Us
дополнительная информация
Population dynamics
Growth parameters
Max. ages / sizes
Length-weight rel.
Length-length rel.
Размерный состав
Mass conversion
пополнение
численность
Growth parameters
Max. ages / sizes
Length-weight rel.
Length-length rel.
Размерный состав
Mass conversion
пополнение
численность
Life cycle
размножение
половая зрелость
Maturity/Gills rel.
Fecundity
нерест
Spawning aggregations
икра
Развитие икры
личинки
динамика численности личинок
размножение
половая зрелость
Maturity/Gills rel.
Fecundity
нерест
Spawning aggregations
икра
Развитие икры
личинки
динамика численности личинок
Physiology
Body composition
Nutrients
Oxygen consumption
Swimming type
Swimming speed
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Body composition
Nutrients
Oxygen consumption
Swimming type
Swimming speed
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Genetics
генетика
Heterozygosity
наследуемость
генетика
Heterozygosity
наследуемость
Human related
Aquaculture systems
особенности рыбоводства
степень растяжения
Ciguatera cases
Stamps, coins, misc.
Aquaculture systems
особенности рыбоводства
степень растяжения
Ciguatera cases
Stamps, coins, misc.
инструменты
Bio-Quiz | E-book | полевой определитель | определительные ключи | Длина-Частота | онтогенез | карта точек | Classification Tree
| Catch-MSY |
Специальные отчеты
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ресурсы в Интернет
AFORO (otoliths) | Alien/Invasive Species database | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Проверить FishWatcher | CISTI | Catalog of Fishes: род, виды | DiscoverLife | ECOTOX | FAO - рыболовство: landings, Видовой профиль; Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: Геном, Нуклеотид | GloBI | GoMexSI (interaction data) | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | национальные базы данных | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Вперёд, поиск | World Records Freshwater Fishing | Zoological Record
Estimates based on models
Preferred temperature (Ref. 123201): 12 - 28.9, mean 26.7 °C (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=0.00501 (0.00408 - 0.00616), b=3.07 (3.03 - 3.11), 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.
Generation time: 9.2 (7.4 - 13.1) years. Estimated as median ln(3)/K based on 14 growth 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).
Nutrients (Ref. 124155): Calcium = 2.41 [0.46, 12.84] mg/100g; Iron = 0.321 [0.080, 0.980] mg/100g; Protein = 22.8 [19.9, 25.0] %; Omega3 = 0.211 [0.078, 0.542] g/100g; Selenium = 34.5 [10.6, 105.0] μg/100g; VitaminA = 23 [7, 76] μg/100g; Zinc = 0.281 [0.138, 0.566] mg/100g (wet weight);