Longsnout dogfish

Longsnout dogfish
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Chondrichthyes
Subclass:	Elasmobranchii
Order:	Squaliformes
Family:	Centrophoridae
Genus:	Deania
Species:	D. quadrispinosum
Binomial name
Deania quadrispinosum (McCulloch, 1915)
Range of longsnout dogfish (in blue)

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The longsnout dogfish Deania quadrispinosum is a little known deepwater dogfish, found in the Atlantic and Indian Oceans from Namibia to Mozambique and in the south Pacific off southern Australia.

Longsnout dogfish have an extremely long angular snout, no anal fin, dorsal fins of similar size with the first placed high on the back and the second having a longer rear free tip, and pitchfork shaped dermal denticles. It is dark brown and grows to about 114 cm.

Reproduction is ovoviviparous.

This shark lives at depths of between 150 and 732 m. It eats bony fish.

References

• "Deania quadrispinosum". Integrated Taxonomic Information System. http://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=160749. Retrieved 23 January 2006. 
• Froese, Rainer, and Daniel Pauly, eds. (2005). "Deania quadrispinosum" in FishBase. 09 2005 version.
• FAO Species Catalogue Volume 4 Parts 1 and 2 Sharks of the World