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Elasmobranchii (tubarões e raias) (sharks and rays) > Squaliformes (Sleeper and dogfish sharks) > Centrophoridae (Gulper sharks)
Etymology: Deania: -ia (Gr.), belonging to: American ichthyologist Bashford Dean (1867-1928), American Museum of Natural History, for his research on selachian fishes. (See ETYFish); quadrispinosa: quadri-, from quattuor (L.), four; spinosa (L.), thorny, referring to four-spined dermal denticles. (See ETYFish).

Environment: milieu / climate zone / depth range / distribution range Ecologia

marinhas batidemersal; intervalo de profundidade 150 - 1360 m (Ref. 44037), usually 400 - 820 m (Ref. 6871). Deep-water; 9°S - 54°S, 12°E - 172°W (Ref. 54349)

Distribuição Países | Áreas FAO | Ecossistemas | Ocorrências | Point map | Introduções | Faunafri

Southeast Atlantic: off Namibia and off Algoa Bay, South Africa. Indo-West Pacific: off southern Mozambique and Natal, South Africa; Australia and New Zealand (Ref. 6871).

Length at first maturity / Tamanho / Peso / Idade

Maturity: L_m ?, range 110 - ? cm
Max length : 115 cm TL macho/indeterminado; (Ref. 6871)

Descrição breve Chaves de identificação | Morfologia | Morfometria

Espinhos dorsais (total) : 2; Espinhos anais: 0. Extremely long snout, grooved dorsal fin spines, compressed cutting teeth in both jaws, moderately large, pitchfork-shaped denticles, no subcaudal keel on underside of caudal peduncle, first dorsal fin short and high (Ref. 247). Dark brown, grey, or black in color; juveniles with a dark blotch on each dorsal fin (Ref. 26346).

A rare (Ref. 26346) and little-known species found on outer continental shelves and upper slopes (Ref. 247). Feeds on bony fishes (Ref. 247). Ovoviviparous (Ref. 50449).

Life cycle and mating behavior Maturities | Reprodução | Spawnings | Egg(s) | Fecundities | Larvas

Ovoviviparous, embryos feed solely on yolk (Ref. 50449). Distinct pairing with embrace (Ref. 205).

Referência principal Upload your references | Referências | Coordenador : Compagno, Leonard J.V. | Colaboradores

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)

Categoria na Lista Vermelha da IUCN (Ref. 130435)

Vulnerável, ver o Livro Vermelho da IUCN (VU) (A2bd); Date assessed: 21 November 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Ameaça para o homem

Harmless

Utilização humana

Pescarias: pouco comercial

FAO - pescarias: perfil da espécie; Publication: search | FishSource |

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Estimates based on models

Preferred temperature (Ref. 123201): 5.5 - 12.3, mean 8.2 °C (based on 236 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00263 (0.00121 - 0.00572), b=3.18 (2.99 - 3.37), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Nível Trófico (Ref. 69278): 4.5 ±0.80 se; based on food items.

Resiliência (Ref. 120179): Baixo, tempo mínimo de duplicação da população 4,5 - 14 anos (Fec assumed to be <100).

Fishing Vulnerability (Ref. 59153): High to very high vulnerability (69 of 100).

Categoria de preço (Ref. 80766): Unknown.

Deania quadrispinosa (McCulloch, 1915)