Scientific Name
Carcharhinus altimus  
Carcharhinus altimus大鼻真鯊
by: Lab of Fish Ecol. and Evo., BRCAS
Author (Springer, 1950) Depth 25 - 500M
Chinese 大鼻真鯊 Poisonous Fish No 
Family_Chinese 真鯊科 Economic Fish Yes 
Family F029 Carcharhinidae Edible Fish Yes  Chinese In Mainland China 大鼻真鯊 
Max Length 300 cm  Aquarium Fish No  Common Name 大沙、大鼻白眼鮫、高翅真鯊 
Distribution in World global   Distribution in Taiwan North East 
Habitats Ocean、Deep Sea、Coral、Benthos、
Holotype Locality Off Cosgrove Reef, Key West, Florida, U.S.A., depth 95 fathoms 
Synonyms Carcharhinus albimarginatus, Carcharhinus galapagensis, Carcharhinus obscurus, Carcharhinus radamae, Carcharinus altimus, Carcharinus radamae, Eulamia altima   
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  Springer, S. 1950 Schwartz, F.J. 1983 Compagno, L.J.V. 1984 Compagno, L.J.V. 1984 沈世傑 編 Shih-Chieh Shen ed. 1993 Anderson, R.C. etc. 1996 朱元鼎, 孟慶聞 等編 2001 
Specimen List ASIZP0806190. ASIZP0806191. ASIZP0806192. ASIZP0916190. ASIZP0916191. ASIZP0916192. NMMBP04707.  
Barcode2014-10-30,Kwang-Tsao Shao,CO1,100% 2014-10-30,Kwang-Tsao Shao,CO1,100% 2014-10-30,Kwang-Tsao Shao,CO1,100%
Common Name Bignose shark; Knopp's shark 
Redlist Status NL Not in IUCN Redlist     
Characteristic A large, fairly slender species. Snout moderately long and bluntly pointed to rounded. Eyes large, its length 1.4-2.3% of total length. Anterior nasal flaps rather high, and triangular. Gill slits moderately long, the 3rd 3.1-3.9% of total length and about a third of 1st dorsal fin base. Anteroposterior teeth in each jaw half 14-16/14-15. Upper teeth with broad, strongly serrated, very high cusps that merge into the crown feet. Lower teeth with erect, narrow serrated cusps and tranverse roots. Interdorsal ridge present. Origin of 1st dorsal fin over pectoral insertion to about over midlength of pectoral inner matgins. Second dorsal fin large and high, its height 2.8-3.4% of total length. Origin of 2nd dorsal slightly anterior to anal origin. Total number of vertebral centra 194-206, precaudal centra 101-110. colour light grey above, white below, with dusky fin tips.
habitats A common off-shore bottom-dwelling warm-temperate and tropical shark usually found in depth of 90 m and down to at least 250-430 m. viviparous, number of embryos 3-15 per litter. Maximum size about 300 cm, size of sexual maturity were estimated to be 216  
Distribution Western Atlantic including Florida, Bahamas, Cuba, Nicaragua, Cost Rica, Venezuela. Eastern North Atlantic including Senegal, Gambia, Sierra Leone, Ivory Coast and Ghana. Mediterranean Sea. Western Indian Ocean including South Africa, Madagascar, India, R 
Utility This species were taken in the Caribbean region on deep-set longlines, and utilized for fishmeal, oil and shagreen; also taken in bottom trawlers in the western Indian Ocean.