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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 | Imagem do Google
Picture by Furlan, B.
Classificação / Names Nomes comuns | Sinónimos | Catalog of Fishes(Género, Espécies) | ITIS | CoL | WoRMS | Cloffa
Elasmobranchii (tubarões e raias) (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 Ecologia
marinhas associadas(os) a recifes; oceanódromo (Ref. 51243); intervalo de profundidade 0 - 4000 m (Ref. 55180), usually 0 - 500 m (Ref. 6871). Subtropical; 42°N - 43°S, 180°W - 180°E (Ref. 55180)
Distribuição Países | Áreas FAO | Ecossistemas | Ocorrências | Point map | Introduções | 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 / Tamanho / Peso / Idade
Maturity: Lm 219.1, range 180 - 260 cm
Max length : 350 cm TL macho/indeterminado; (Ref. 9997); common length : 250 cm TL macho/indeterminado; (Ref. 9997); peso máx. Publicado: 346.0 kg (Ref. 40637); Idade máx. registada: 25 anos (Ref. 31395)
Max length : 350 cm TL macho/indeterminado; (Ref. 9997); common length : 250 cm TL macho/indeterminado; (Ref. 9997); peso máx. Publicado: 346.0 kg (Ref. 40637); Idade máx. registada: 25 anos (Ref. 31395)
Descrição breve Chaves de identificação | Morfologia | Morfometria
Espinhos dorsais (total) : 0; Espinhos anais: 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 Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
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).
Referência principal
Upload your references | Referências | Coordenador : Compagno, Leonard J.V. | Colaboradores
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)
Categoria na Lista Vermelha da IUCN (Ref. 130435: Version 2024-2)
Vulnerável, ver o Livro Vermelho da IUCN (VU) (A2bd); Date assessed: 26 September 2017
Ameaça para o homem
Traumatogenic (Ref. 9997)
Utilização humana
Pescarias: altamente comercial
FAO - pescarias: landings, perfil da espécie; Publication: search | FishSource | Sea Around Us
Mais informação
Population dynamics
Parâmetros de crescimento
Max. ages / sizes
Length-weight rel.
Length-length rel.
Frequência de comprimento
Mass conversion
Recrutamento
Abundância
Parâmetros de crescimento
Max. ages / sizes
Length-weight rel.
Length-length rel.
Frequência de comprimento
Mass conversion
Recrutamento
Abundância
Life cycle
Reprodução
Maturidade
Maturity/Gills rel.
Fecundidade
Desova
Spawning aggregations
Ovos
Desenvolvimento dos ovos
Larvas
Dinâmica larvar
Reprodução
Maturidade
Maturity/Gills rel.
Fecundidade
Desova
Spawning aggregations
Ovos
Desenvolvimento dos ovos
Larvas
Dinâmica larvar
Physiology
Body composition
Nutrients
Consumo de oxigénio
Tipo de natação
Velocidade de natação
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Body composition
Nutrients
Consumo de oxigénio
Tipo de natação
Velocidade de natação
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Genetics
Genética
Heterozygosity
Hereditariedade
Genética
Heterozygosity
Hereditariedade
Human related
Aquaculture systems
Perfis para aquacultura
Estirpes
Ciguatera cases
Stamps, coins, misc.
Aquaculture systems
Perfis para aquacultura
Estirpes
Ciguatera cases
Stamps, coins, misc.
Ferramentas
Bio-Quiz | E-book | Guia de campo | Chaves de identificação | Ferramenta auxiliar de frequências de comprimento | Ferramenta sobre a história de vida | Mapa dos pontos | Classification Tree
| Catch-MSY |
Relatórios especiais
Descarregue XML
Fontes da internet
AFORO (otoliths) | Alien/Invasive Species database | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Consultar FishWatcher | CISTI | Catalog of Fishes: Género, Espécies | DiscoverLife | ECOTOX | FAO - pescarias: landings, perfil da espécie; Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genoma, nucleotídeo | GloBI | GoMexSI (interaction data) | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Bases de dados nacionais | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Árvore da vida | Wikipedia: ir para, procurar | World Records Freshwater Fishing | Registo zoológico
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).
Nível Trófico (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.
Resiliência (Ref. 120179): Baixo, tempo mínimo de duplicação da população 4,5 - 14 anos (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);