Elasmobranquios (tiburones y rayas) (sharks and rays) >
Squaliformes (Sleeper and dogfish sharks) >
Centrophoridae (Gulper sharks)
Etymology: Deania: From B. Dean (1916), ichthyiologist and researcher of ichtyiological bibliography (Ref. 45335). More on authors: Smith & Radcliffe.
Environment: milieu / climate zone / depth range / distribution range
Ecología
; marino batidemersal; rango de profundidad 205 - 1800 m (Ref. 55584). Deep-water; 40°N - 37°S, 93°W - 127°E (Ref. 54348)
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.
Length at first maturity / Tamaño / Peso / Age
Maturity: Lm ?, range 70 - ? cm
Max length : 79.0 cm TL macho / no sexado; (Ref. 6577)
Espinas dorsales (total): 2; Radios blandos dorsales (total): 0; Espinas anales 0; Radios blandos anales: 0. 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).
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.
Ovoviviparous, embryos feed solely on yolk (Ref. 50449). 5 to 7 young in a litter (Ref. 5578). Distinct pairing with embrace (Ref. 205).
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. (Ref. 247)
IUCN Red List Status (Ref. 123251)
CITES (Ref. 123416)
Not Evaluated
Threat to humans
Harmless
Human uses
Pesquerías: sin interés
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Estimates based on models
Preferred temperature (Ref.
115969): 4.9 - 12.3, mean 8.3 °C (based on 337 cells).
Phylogenetic diversity index (Ref.
82805): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00200 (0.00111 - 0.00357), b=3.16 (3.00 - 3.32), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Nivel trófico (Ref.
69278): 4.4 ±0.4 se; based on diet studies.
Resiliencia (Ref.
120179): Muy bajo, población duplicada en un tiempo mínimo superior a 14 años (Fec=5).
Vulnerability (Ref.
59153): High to very high vulnerability (65 of 100) .