Elasmobranchii (sharks and rays) > Squaliformes
(Sleeper and dogfish sharks) > Centrophoridae
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
Marine; bathydemersal; depth range 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 / Size / Weight / Age
Maturity: Lm ?, range 70 - ? cm
Max length : 79.0 cm TL male/unsexed; (Ref. 6577)
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)
Threat to humans
Fisheries: of no interest
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
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
= 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
Trophic level (Ref. 69278
): 4.4 ±0.4 se; based on diet studies.
Resilience (Ref. 120179
): Very Low, minimum population doubling time more than 14 years (Fec=5).
Vulnerability (Ref. 59153
): High to very high vulnerability (65 of 100) .