Deania profundorum
No common name
Collection Details
Specimens
Photos
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Records
Taxonomic Hierarchy
Chondrichthyes (Cartilaginous Fishes)
Squaliformes (Dogfish Sharks)
Centrophoridae (Gulper Sharks)
Deania
Deania profundorum
Description
This species account was compiled from
FishBase (Froese, R. and D. Pauly. Editors. 2025. FishBase. World Wide Web electronic publication. www.fishbase.org, version 04/2025.)
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Characters
Body shape: elongated. A longnose dogfish with a long, low 1st dorsal fin and a subcaudal keel on underside of caudal peduncle (Ref. 5578). Brownish-grey or dark grey in color (Ref. 5578).
Distribution
Northwest Atlantic: North Carolina, USA. Eastern Atlantic: West Sahara to Senegal, Nigeria, Gabon to Democratic Republic of the Congo, Namibia and South Africa (Ref. 5578). Indian Ocean: Arabian Sea (Ref. 85183). Western Central Pacific: Philippines.
Habitat Associations
Marine. bathydemersal. depth range 205-1800 m.
Biology
Found on the upper continental and insular slopes, on or near the bottom (Ref. 247). Feeds on small benthic and midwater bony fishes, squid, and crustaceans (Ref. 247). Ovoviviparous (Ref. 50449). Minimum depth reported from taken from Ref. 5578.
Max length: 110.0 cm TL.
Reproductive mode: dioecism; fertilization: internal (oviduct); bearers (internal live bearers). Ovoviviparous, embryos feed solely on yolk (Ref. 50449). 5 to 7 young in a litter (Ref. 5578). Distinct pairing with embrace (Ref. 205).
IUCN Red List Status: Near Threatened (NT), assessed 2024-02-28. Resilience: Very low (Fec=5).
Commercial or Environmental Importance
Fisheries: of no interest.
References
Compagno, L.J.V. (1984) FAO Species Catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 1 - Hexanchiformes to Lamniformes. FAO Fish. Synop. 125(4/1):1-249. Rome, FAO.
Compagno, L.J.V., D.A. Ebert and M.J. Smale (1989) Guide to the sharks and rays of southern Africa. New Holland (Publ.) Ltd., London. 158 p.
Ebert, D.A., L.J.V. Compagno and P.D. Cowley (1992) A preliminary investigation of the feeding ecology of squaloid sharks off the west coast of southern Africa. S. Afr. J. mar Sci. 12:601-609.
Kiraly, S.J., J.A. Moore and P.H. Jasinski (2003) Deepwater and other sharks of the U.S. Atlantic Ocean Exclusive Economic Zone. Mar. Fish. Rev. 65(4):1-64.
Ferreira, S., R. Sousa, J. Delgado, D. Carvalho and T. Chada (2008) Weight-length relationships for demersal fish species caught off the Madeira archipelago (eastern-central Atlantic). J. Appl. Ichthyol. 24:93-95. DOI: 10.1111/j.1439-0426.2007.01027.x
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