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Rough longnose dogfish

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Title: Rough longnose dogfish  
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Subject: Centrophoridae, Squaliformes, Mandarin dogfish, WikiProject Sharks/Watchlist, Black dogfish
Publisher: World Heritage Encyclopedia

Rough longnose dogfish

Rough longnose dogfish
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Chondrichthyes
Subclass: Elasmobranchii
Order: Squaliformes
Family: Centrophoridae
Genus: Deania
Species: D. hystricosa
Binomial name
Deania hystricosa
(Garman, 1906)
Range of rough longnose dogfish (in blue)

The rough longnose shark, Deania hystricosa, is a little-known deepwater dogfish.

Rough longnose dogfish have an extremely long snout, no anal fin, small grooved dorsal spines, and rough pitchfork-shaped dermal denticles. The first dorsal fin is long and narrow. Maximum length is 109 cm.

Found in the Eastern Atlantic around Madeira and in the western Pacific around southern Japan. This shark is rarely seen but lives between 600 and 1,000 m. It is ovoviviparous with probably around 12 pups per litter.


  • Froese, Rainer and Pauly, Daniel, eds. (2005). "Deania hystricosa in FishBase. 09 2005 version.
  • FAO Species Catalogue Volume 4 Parts 1 and 2 Sharks of the World
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