Kingdom Animalia  
 Phylum Chordata  
 Class Chondrichthyes  
 Order Carcharhiniformes  
 Family Carcharhinidae  
 Genus Carcharhinus  
  Carcharhinus leucas  (Müller & Henle, 1839) 
Provider: Pofeng Lee& Shoou-Jeng Joung 
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Synonyms:Carcharhinus amboinensisCarcharhinus azureusCarcharhinus nicaraguensisCarcharhinus vanrooyeniCarcharhinus zambezensisCarcharias azureusCarcharias leucasCarcharias spenceriCarcharias zambesensisCarcharias zambezensisCarcharinus leucas 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, stout species; size up to about 3.4 m. Snout short and bluntly and broadly rounded; internarial width 0.7-1.0 times in preoral length; upper labial furrows short and inconspicuous; the 3rd gill slit 3.1-4.1 of total length, but less than 1/3 of 1st dorsal fin base; anteroposterior teeth formula in each jaw half 12-14/12-13; upper teeth with very broad, triangular, strongly serrated, erect to slightly oblique cusps; lower teeth with erect to semioblique, broad serracted cusps and arched roots. Interdorsal ridge absent. First dorsal fin large, with a pointed rounded apex; origin of 1st dorsal fin usually over or just behind pectoral insertions; length of inner margin of 1st dorsal fin short, less than 1/3 of dorsal fin base; 2nd dorsal fin large and high, its length 3.2-4.5 of total length; origin of second dorsal anterior to anal origin; pectoral fin large and broad, triangular, with narrow, pointed apices, length of anterior margins about 18-21% of total length; 198-227 total vertebral centra, 101-123 precaudal centra. 
Habitat: A coastal, estuarine, riverine and lacustrine shark usually found close inshore in marine habitats, in water 0-152 m depth. Viviparous, with a yolk-sac placenta; number of young 1-13 per litter; some females may give birth to young in fresh water lakes su 
Distribution: Wide distribute along the continental coasts of all tropical and subtropical seas and sometimes traveling far up warm rivers and into freshwater lakes. In Taiwan, this species were caught by longliner from northeastern and eastern waters uncommonly. 
Utility: An important fisheries species. It is caught mainly with longlines and hook-and-line gear and utilized fresh, fresh-frozen or smoked for human consumption; its hide is used for leather, its fins for shark-fin soup, and its liver for oil, which is extracte 
Name Code: 383073
  IUCN Red List:NT      Marine     
Suggested Link    The Fish Database of Taiwan  FishBase  Discover Life  World Register of Marine Species (WoRMS) 
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