Scientific Name
Prionace glauca  
Pronounce  
 Prionace glauca鋸峰齒鯊
by: Lab of Fish Ecol. and Evo., BRCAS
Author (Linnaeus, 1758) Depth 0 - 350M
Chinese 鋸峰齒鯊 Poisonous Fish No 
Family_Chinese 真鯊科 Economic Fish Yes 
Family F029　Carcharhinidae Edible Fish Yes  Chinese In Mainland China 大青鯊 
Max Length 400 cm  Aquarium Fish No  Common Name 水沙、大翅沙、鋸峰齒鮫、爛沙(臺東)、大青鯊、水鯊、大藍鮫 
Distribution in World global   Distribution in Taiwan East、North East 
Habitats Ocean、Deep Sea、Coral、Benthos、
Estuary、Coastal 		 Holotype Locality Mediterranean Sea and Northeastern Atlantic [original: "in Oceano Europeo 
Synonyms Carcharhinus macki, Carcharias aethiops, Carcharias glaucus, Carcharias gracilis, Carcharias hirundinaceus, Carcharias pugae, Carcharias rondeletii, Carcharias rondeletti, Carcharinus glaucus, Galeus thalassinus, Glyphis glaucus, Hypoprion isodus, Isurus glaucus ...all 22..  
Reference 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  Steven Branstetter etc. 1983 Compagno, L.J.V. 1984 Compagno, L.J.V. 1984 沈世傑 編 Shih-Chieh Shen ed. 1993 朱元鼎, 孟慶聞 等編 2001 
Specimen List ASIZP0806232. ASIZP0806233. ASIZP0806234. ASIZP0916232. ASIZP0916233. ASIZP0916234. FRIP00895. FRIP21520. FRIP22231. NMMBP04091. NMMBP04096.  
Barcode2014-10-30,Kwang-Tsao Shao,CO1,100% 2014-10-30,Kwang-Tsao Shao,CO1,100%
Common Name Shark; Tribon blou; Blue whaler; Blue whaler shark; Blue shark; Blue dog; Great blue whaler; Great blue shark 
Redlist Status LR/nt IUCN Redlist: Lower Risk/near threatened(LR/nt)  2000-06-30   
Characteristic 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.
habitats 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