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Carcharhinus falciformis (Müller &. Henle, 1839)
SILKY SHARK
Silky Whaler; Carcharhinus menisorrah Müller and Henle, 1839; Carcharinus falciformis Müller and Henle, 1839; Eulamia menisorrah Müller and Henle, 1839; Platypodon falciformis Müller and Henle, 1839; Platypodon menisorrah Müller and Henle, 1839; Carcharinus menisorrah Müller and Henle, 1839; Carcharias menisorrah Müller and Henle, 1839; Carcharias falciformis Müller and Henle, 1839

Life   Vertebrata   Fish   Carcharhinidae   Carcharhinus

Carcharhinus falciformis
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Carcharhinus falciformis

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Carcharhinus falciformis
© Copyright Adam P. Summers, 2006 · 0
Carcharhinus falciformis
Carcharhinus falciformis
© Copyright Photographer/SFTEP, 2002 · 0
Carcharhinus falciformis

Carcharhinus falciformis
© Copyright Doug Perrine, 2006 · 0
Carcharhinus falciformis
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Overview
Main identification features
  • slender
  • 1st dorsal fin small, orgin behind pectoral
  • 2nd dorsal fin and anal fin long free tips at rear, height less than length
  • pectoral: large, curved
Slender-bodied (body depth 11.5-17.5% of total length); snout moderately long and slightly pointed, length in front of mouth 6.9-9.3% of total length; a low, narrow ridge on back between dorsal fins; origin of first dorsal fin behind inner pectoral corner (by at least one-third length of inner pectoral margin), fin small, low and rounded with strongly curved trailing edge; origin of second dorsal over or slightly behind anal origin, fin height ~1/2 its length; length; pectoral large, curved.

Grey to dark grey dorsally, shading to white ventrally, sometimes with faint band of white invading grey of upper abdomen; first dorsal fin unmarked; second dorsal, anal, lower caudal lobe and pectoral fins may have dusky tips.

Grows to 350 cm; size at birth 70-87 cm.

Habitat: found inshore but more abundant offshore.

Depth: 0-500 m.

Circumtropical; central Baja and the Gulf of California to Ecuador and the oceanic islands.


Attributes
Abundance: Common.
Cites: Not listed.
Climate Zone: Northern Subtropical (Cortez Province + Sinaloan Gap); Northern Tropical (Mexican Province to Nicaragua + Revillagigedos); Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo); South Temperate (Peruvian Province ).
Depth Range Max: 500 m.
Depth Range Min: 0 m.
Diet: bony fishes; Pelagic crustacea; octopus/squid/cuttlefish.
Eastern Pacific Range: Northern limit=32; Southern limit=-6; Western limit=-115; Eastern limit=-78; Latitudinal range=38; Longitudinal range=37.
Egg Type: Live birth; No pelagic larva.
Feeding Group: Carnivore.
FishBase Habitat: Pelagic.
Global Endemism: Circumtropical ( Indian + Pacific + Atlantic Oceans); East Pacific + Atlantic (East +/or West); Transisthmian (East Pacific + Atlantic of Central America); East Pacific + all Atlantic (East+West); All Pacific (West + Central + East); TEP non-endemic; "Transpacific" (East + Central &/or West Pacific); All species.
Habitat: Water column.
Inshore Offshore: Inshore; Offshore; In & Offshore.
IUCN Red List: Not evaluated / Listed.
Length Max: 350 cm.
Regional Endemism: Island (s); Continent; Continent + Island (s); Eastern Pacific non-endemic; Tropical Eastern Pacific (TEP) non-endemic; All species.
Residency: Resident.
Salinity: Marine; Marine Only.
Water Column Position: Mid Water; Near Surface; Surface; Water column only;


Names
Scientific source:

Links to other sites

References
  • Allen , G.R. and Robertson, D.R., 1997., An Annotated Checklist of the fishes of Clipperton Atoll, Tropical Eastern Pacific., Revista de Biologia Tropical, 45:813-843.
  • Balart , E. F. , Castro-Aguirre , J. L. , Aurioles-Gamboa , D. , García-Rodriguez , F. and Villavicencio-Garayzar, C., 1995., Adiciones a la ictiofauna de Bahía de la Paz, Baja California Sur, México., Hidrobiologica, 5:79-85.
  • Bellido-Millán, J.M. and Villavicencio-Garayzar, C.J., 2002., Pesqueria artesanal de tiburon en la region central del Golfo de California. En: Lozano-Vilano, M. L. (Ed.). Libro Jubilar en Honor al Dr. Salvador Contreras Balderas., Universidad Autonoma de Nuevo León:143-152.
  • Béarez, P., 1996., Lista de los Peces Marinos del Ecuador Continental., Revista de Biologia Tropical, 44:731-741.
  • Castro-Aguirre, J.L. and Balart, E.F., 2002., La ictiofauna de las islas Revillagigedos y sus relaciones zoogeograficas, con comentarios acerca de su origen y evolucion. En: Lozano-Vilano, M. L. (Ed.). Libro Jubilar en Honor al Dr. Salvador Contreras Balderas., Universidad Autonoma de Nuevo León:153-170.
  • Compagno, L.J.V., 1999., Checklist of living elasmobranchs. In Hamlett W.C. (ed.) Sharks, skates, and rays: the biology of elasmobranch fishes., The John Hopkins University Press:471-498.
  • Compagno, L.J.V., 1984., Sharks of the World. An annotated and illustrated catalogue of shark species known to date. Part 2. Carcharhiniformes. FAO Species Catalogue., FAO Fish. Synop. No 125, 4(2):251-655.
  • Findley, L.T., Hendrickx, M.E., Brusca, R.C., van der Heiden, A.M., Hastings, P.A., Torre, J., 2003., Diversidad de la Macrofauna Marina del Golfo de California, Mexico., CD-ROM versión 1.0. Projecto de la Macrofauna del Golfo .  Derechos reservados de los autores y Conservación Internacional.
  • Fischer , W. , Krup , F. , Schneider , W. , Sommer , C. , Carpenter , K. E. and Niem, V. H., 1995., Guia FAO para la Identificacion de Especies de para los fines de la Pesca. Pacifico Centro-Oriental. Volumen II. Vertebrados - Parte 1., FAO2:647-1200.
  • Fowler, H.W., 1944., Results of the Fifth George Vanderbilt Expedition (1941) (Bahamas, Caribbean sea, Panama, Galapagos Archipelago and Mexican Pacific Islands). The Fishes., Acad. Nat. Sci. Philadel., Monographs, 6:57-529.
  • Galván-Magaña, F., Gutiérrez-Sánchez, F., Abitia-Cárdenas, L.A., Rodríguez-Romero, J., 2000., The distribution and affinities of the shore fishes of the Baja California Sur lagoons. In Aquatic Ecosystems of Mexico: Status and Scope. Eds. M. Manuwar, S.G. Lawrence, I.F. Manuwar & D.F. Malley. Ecovision World Monograph Series., Backhuys Publishers:383-398.
  • Gotshall, D.W., 1996., Fishes of Rocas Alijos. In Rocas Alijos. Ed. R. W. Schmieder. Cornell Expeditions., Kluwer Academic Publishers: 347-354.
  • Jimenez-Prado, P., Béarez, P., 2004., Peces marinos del Ecuador continental / Marine fishes of continental Ecuador., SIMBIOE/NAZCA/IFEA tomo 1 y 2.
  • Lopez , M. I. and Bussing, W. A., 1982., Lista provisional de los peces marinos de la Costa Rica., Revista de Biologia Tropical, 30(1):5-26.
  • Love, M.S., Mecklenburg, C.W., Mecklenburg, T.A., Thorsteinson, L.K., 2005., es of the West Coast and Alaska: a checklist of North Pacific and Artic Ocena species from Baja California to the Alaska-Yukon border., U.S. Department of the Interior, U.S. Geological Survey, Biological Resources Division, 288pp.
  • Madrid Vera , J. , Ruíz Luna , A. and Rosado Bravo, I., 1998., Peces de la plataforma continental de Michoacán y sus relaciones regionales en el Pacífico mexicano., Revista de Biologia Tropical, 42(2):267-276.
  • McCosker , J.E. and Rosenblatt, R.H., 1975., Fishes collected at Malpelo Island. In Graham, J.B. (ed.) The Biological Investigation of Malpelo Island, Colombia., Smithsonian Contrib. Zool., 176:91-93.
  • Müller , J. and Henle, F. G. J., 1839., Systematische Beschreibung der Plagiostomen. Berlin., Plagiostomen, :27-102.
  • Ramírez Rodríguez, M., 1997., Producción pesquera en la Bahía de La Paz, B.C.S.. En Urbán Ramírez, J. y M. Ramírez Rodríguez (Eds.). La Bahía de La Paz investigación y conservación., Universidad Autónoma de Baja California Sur:273-282.
  • Robertson , D.R. and Allen, G.A., 1996., Zoogeography of the shorefish fauna of Clipperton Atoll., Coral Reefs, 15:121-131.
  • Rubio, E.A., 1986., Notas sobre la ictiofauna de la Isla de Gorgona, Colombia., Boletin Ecotropica. Univ. Bog. Jorge Tadeo Lozano, 13:86-112.
  • Van der Heiden , A. M. and Findley, L. T., 1988., Lista de los peces marinos del sur de Sinaloa, México., Anales del Centro de Ciencias del Mar y Limnologia de la Universidad Autonoma Nacional de Mexico, 15:209-224.
  • Walker, B. W. and Baldwin, W. J., 1964., Provisional check list of fishes of the Revillagigedo islands., 18 pp.

Acknowledgements

I thank Ashley MacDonald and John Pickering, University of Georgia, for technical support in building this page.


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Following modified from Australian Faunal Directory
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http://biodiversity.org.au/afd/taxa/e7e98bc4-776c-45ec-970e-9b688908e9a1 ---> https://biodiversity.org.au/afd/taxa/e7e98bc4-776c-45ec-970e-9b688908e9a1
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Following modified from Taiwan Biodiversity National Information Network
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Kingdom Animalia  
 Phylum Chordata  
 Class Chondrichthyes  
 Order Carcharhiniformes  
 Family Carcharhinidae  
 Genus Carcharhinus  
  Carcharhinus falciformis    (Müller & Henle, 1839) 
Provider: Pofeng Lee& Shoou-Jeng Joung 
hierarchy tree    download xml    download txt    Chinese Page    
Synonyms: Aprionodon sitankaiensis Carcharhinus atrodorsus Carcharhinus falciformes Carcharhinus floridanus Carcharias falciformis Carcharias falcipinnis Carcharias menisorrah Carcharins menisorrah Carcharius falcipinnis Carcharius menisorrah Eulamia malpeloensis details
Citation: 臺灣魚類誌(沈等, 1993); 中國動物誌-圓口綱及軟骨魚綱(朱等, 2001); FAO Species Catalogue, Vol.4 Sharks of the world
Character: A large oceanic shark species, maximum size up to be about 3.3 m in TL. Snout moderately long and rounded; iternarial width 1.2-1.6 times in preoral snout length. Length of eye 1.2-2.7 % of TL; length of 3rd gill slit 2.9-3.6% of TL and less than 2/5 of 1st dorsal fin base; rows of anteroposterior teeth 14-16/13-17. A interdorsal ridge present. First dorsal fin falcate; origin of 1st dorsal fin behind the pectoral free rear tips; inner margin of 1st dorsal fin long, about 1/2 of dorsal base; 2nd dorsal fin very small and low, its height 1.3-2.2 % of TL, its inner margin very long and 1.6-3 times its height; origin of 2nd dorsal over or slightly behind anal origin; pectoral fin narrowly falcate, length of anterior margins about 14-22% of TL; vertebral centra 199-215, precaudal centra 98-106. Color dark grey or grey above, white below; tips of fins other than first dorsal dusky but not black-tipped; an inconspicuous white band on flank. 
Habitat: Silky shark is an abundant offshore, oceanic and epipelagic tropical species, founded near the edge of continental and insular shelves, but also far from land in the open sea. In the open ocean it occurs from the surface down to at least 500 m depth. It i 
Distribution: Oceanic and coastal, Circumtropical. Western, eastern and central Atlantic. Indian Ocean. Red Sea. Western, eastern and central Pacific. In Taiwan, this species can be found in northeastern and eastern waters. 
Utility: This species is very commonly taken by pelagic longline fisheries. Its flesh is utilized fresh and dried salted for human consumption; its hide for leather; its fins for shark-fin soup; and its liver is extracted for oil, which has high vitamin A content. 
Name Code: 383072
      IUCN Red List:VU  A2bd     
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Following modified from CalPhotos
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http://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Carcharhinus+falciformis&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Animal ---> https://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Carcharhinus+falciformis&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Animal
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Following modified from FishBase
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http://www.fishbase.org/Summary/speciesSummary.php?genusname=Carcharhinus&speciesname=falciformis ---> http://www.fishbase.org/summary/Carcharhinus-falciformis.html
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