Knifetooth dogfish

The knifetooth dogfish, Scymnodon ringens, is a harmless sleeper shark of the family Dalatiidae, found in the eastern Atlantic, from Scotland to Spain, Portugal, and Senegal, and the southwest Pacific from New Zealand, between latitudes 58°N and 15°N, at depths of between 200 and 1,600 m.

The Knifetooth dogfish lives in the bathypelagic, marine, depth range 200 - 1600 m , usually 550 - 1450 m environment.

The knifetooth dogfish, Scymnodon ringens, is a harmless sleeper shark of the family Dalatiidae, found in the eastern Atlantic, from Scotland to Spain, Portugal, and Senegal, and the southwest Pacific from New Zealand, between latitudes 58°N and 15°N, at depths of between 200 and More

coelolepis), knifetooth dogfish (Scymnodon ringens), gulper sharks, thresher sharks, sandbar sharks, picked dogfish and blackmouth catsharks (Galeus melastomus). More

The Knifetooth dogfish is a rare species inhabiting continental slopes, usually mesopelagic although taken most often near the bottom. It is black in color, with small dorsal fin spines, and a short snout. More

Common names

Arreganhada in Portuguese (Português)
Bruja in Spanish (español)
knifetooth dogfish in English
Knorrhaj in Swedish (Svenska)
Messerzahnhai in German (Deutsch)
Mestandijshaai in Dutch (Nederlands)
Mestandijshaai in Unknown
Squale-grogneur commun in French (français)
Tiburón bruja in Spanish (español)
尖齒異鱗鯊 in Mandarin Chinese
尖齒異鱗鯊 in Unknown
尖齿异鳞鲨 in Mandarin Chinese
尖齿异鳞鲨 in Unknown

Order : Squaliformes
Family : Somniosidae
Genus : Scymnodon
Species : Scymnodon ringens
Authority : Barbosa du Bocage & de BritoCapello, 1864