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Kingdom Animalia  
 Phylum Chordata  
 Class Chondrichthyes  
 Order Carcharhiniformes  
 Family Carcharhinidae  
 Genus Prionace  
  Prionace glauca  (Linnaeus, 1758) 
Provider: Pofeng Lee& Shoou-Jeng Joung 
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Synonyms:Carcharhinus mackiCarcharias aethiopsCarcharias glaucusCarcharias gracilisCarcharias hirundinaceusCarcharias pugaeCarcharinus glaucusGaleus thalassinusGlyphis glaucusHypoprion isodusPrionace mackiei 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: Body rather slender and elongated. Head narrow, and moderately depressed. Snout narrowly parabolic in dorsalventral view, preoral length greater than internarial space and mouth width. Eyes large, without posterior notches. Spiracle absent. Teeth well differentiated in upper and lower jaws. Upper anteroposteriors teeth with broad, triangular, curved erect to oblique, serrated cusps. Lower teeth with slender cusps, no blades and cusplets. 24-31/25-34 rows of teeth. Interdorsal ridge absent. Caudal peduncle with low dermal keels. Upper precaudal pit transverse and crescentic. First dorsal origin well behind pectoral rear tips, its midbase much closer to pelvic than to pectoral bases. Second height 1/2 of 1st dorsal height or less, its origin slightly posterior to anal insertion. Pectoral fin very narrow, its length from origin to free rear tip 1/2 or less of pectoral anterior margin. Anal fin slightly larger than 2nd dorsal fin, with short preanal ridges and a deeply notched posterior margin. Colour intense deep blue above, white below, without a colour pattern. 
Habitat: A wide-ranging, oceanic-epipelagic and fringe-littoral shark. This species is often seen cruising slowly at the surface, with its large pectoral fin outspread, and its 1st dorsal and terminal caudal lobe out of the water. Viviparous, with a yolk-sac place 
Distribution: Western Atlantic from Newfoundland to Argentina. Central Atlantic. Eastern Atlantic from Norway to South Africa, Mediterranean. Indo-West Pacific from South Africa and southern Arabian Sea to Indonesia, Japan, Australia, New Caledonia and New Zealand. Cen 
Utility: This species is usually caught with pelagic longlines but also hook-and-lines, pelagic trawls, and even bottom trawls near coast. It is utilized fresh, smoked, and dried salted for human consumption. Its hides are used for leather. Fins for shark-fin soup 
Name Code: 383085
  IUCN Red List:NT      Marine     
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