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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 
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Synonyms:Aprionodon sitankaiensisCarcharhinus atrodorsusCarcharhinus falciformesCarcharhinus floridanusCarcharias falciformisCarcharias falcipinnisCarcharias menisorrahCarcharins menisorrahCarcharius falcipinnisCarcharius menisorrahEulamia 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     Marine     
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