Scientific Name
Heptranchias perlo  
Heptranchias perlo尖頭七鰓鯊
by: Lab of Fish Ecol. and Evo., BRCAS
Author (Bonnaterre, 1788) Depth 0 - 1000M
Chinese 尖頭七鰓鯊 Poisonous Fish No 
Family_Chinese 六鰓鯊科 Economic Fish Yes 
Family F032 Hexanchidae Edible Fish Yes  Chinese In Mainland China 尖吻七鰓鯊 
Max Length 140 cm  Aquarium Fish No  Common Name 尖頭七鰓鮫、油棘、七鰓沙 
Distribution in World global   Distribution in Taiwan East、North East 
Habitats Ocean、Deep Sea、Coastal  Holotype Locality [La Méditerranée] France, Northwestern Mediterranean Sea 
Synonyms Heptranchias angio, Heptranchias cinereus, Heptranchias dakini, Heptranchias deani, Heptrancus angio, Notidanus cinereus, Notidanus cinereus aetatis, Notidanus cinereus pristiurus, Squalus cinereus, Squalus perlo   
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  Garrick, J.A.F. etc. 1971 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 ASIZP0066970. ASIZP0070655. ASIZP0800905. ASIZP0800906. ASIZP0806552. ASIZP0916552.  
Barcode2008-03-25,Kui-Ching Hsu,CO1,100%
Common Name Sharpnose seven-gill shark; One-finned shark; Perlon shark; Sharpnose sevengill shark; Sharpsnout sevengill shark; Sevengill cow shark; Sharp snouted sevengill; Sevengilled shark; Seven-gilled Mediterranean shark; Slender sevengill shark 
Redlist Status NT IUCN Redlist: Lower Risk/near threatened(NT)  2003-04-30   
Characteristic A small sized seven gill shark species. Head narrow and pointed. Eyes very large. Mouth narrow and parabolic. Lower comblike teeth wide and low, with a few short mesial cusplets, an high cusp, and up to 7 or 8 distal cusplets in adults. Caudal peduncle long, distance from dorsal fin insertion to upper caudal origin longer than twice length of dorsal fin base. Colour grey above, white below. Dorsal fin and upper caudal lobe with black tips.
habitats A deepwater species. Ovoviviparous, litter size 9-20. Maximum size about 137 cm TL. Size at birth estimated to be about 26 cm. Maturity size are 89-93 cm and 85 cm for both females and males, respectively. 
Distribution Western Atlantic from USA to Cuba and northern Gulf of Mexico, also southern Brazil and Argentina. Eastern Atlantic from Morocco to Angola, also Mediterranean Sea. Indian Ocean including South Africa, southern Mozambique, Aldabra Island, southwestern Indi 
Utility Generally caught by bottom trawls and longlines. Stock size very limited.