Arrowhead dogfish

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Arrowhead dogfish
Scientific classification
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D. profundorum
Binomial name
Deania profundorum
Range of arrownose dogfish (in blue)

The arrowhead dogfish, Deania profundorum, is a small little known deepwater dogfish of the family Centrophoridae.

Physical characteristics

The arrowhead dogfish has an extremely long angular snout, no anal fin, small first dorsal and long rear dorsal spines, and pitchfork-shaped dermal denticles. The first dorsal fin is short and placed high on the back. This is the smallest of the Deania genus with a maximum length of only 76 cm.

Distribution

It is found in the Pacific Ocean around the Philippines, in the Western Atlantic Ocean off of the Carolinas, in the Eastern Atlantic all along Africa's west coast, and in the Indian Ocean off South Africa.

Habits and habitat

This shark is a little-known deepwater species that lives at depths between 300 and 1,785 m. It is ovoviviparous with five to seven pups per litter. It eats bony fish, squid, and crustaceans.

References

  • "Deania profundorum". Integrated Taxonomic Information System. Retrieved 23 January 2006.
  • Froese, Rainer; Pauly, Daniel (eds.) (2005). "Deania profundorum" in FishBase. 09 2005 version.
  • FAO Species Catalogue Volume 4 Parts 1 and 2 Sharks of the World