Elasmobranchii (tubarões e raias) (sharks and rays)
(Bramble, sleeper and dogfish sharks) > Somniosidae
Etymology: Centroscymnus: Greek, kentron = sting + Greek, skymnos, -ou = pup, puppy (Ref. 45335).
As Centroselachus crepidater in Ref. 58085:113; please send taxonomic reference(s) to confirm genus placement.
Environment: milieu / climate zone / depth range / distribution range
; marinhas batidemersal; intervalo de profundidade 230 - 1500 m (Ref. 26346). Deep-water; 64°N - 57°S, 77°W - 159°W
Eastern Atlantic: Iceland, Faeroe Islands along Atlantic slope to Portugal, Senegal, Madeira, Gabon to Democratic Republic of the Congo, Namibia. Indian Ocean: Aldabra and the Travancore coast of India. Western Pacific: New South Wales, Australia and New Zealand. Southeast Pacific: northern Chile.
Length at first maturity / Tamanho / Peso / Idade
Maturity: Lm 75.4, range 82 - ? cm
Max length : 130 cm TL macho/indeterminado; (Ref. 6577); Idade máx. registada: 54 anos (Ref. 57506)
Espinhos dorsais (total): 2; Raios dorsais moles (total): 0; Espinhos anais 0; Raios anais moles: 0. Black or blackish brown in color, dorsal fins with very small fin spines, very long snout, greatly elongated labial furrows that nearly encircle mouth, lanceolate upper teeth and bladelike lower teeth with moderately long, oblique cusps, fairly slender body that does not taper abruptly from pectoral region, moderately large lateral trunk denticles with partly smooth, oval, cuspidate crowns in adults and subadults (Ref. 247).
A fairly common species found on continental and insular slopes (Ref. 6871), on or near the bottom (Ref. 5578). Feeds mainly on fish and cephalopods (Ref. 6871). Ovoviviparous (Ref. 205), with 4-8 young in a litter (Ref. 6871), born at 28-35 cm (Ref. 26346). The flesh is high in mercury; utilized as fishmeal and source of squalene (Ref. 6871).
Ovoviviparous, with 4-8 young in a litter (Ref. 6871). Born at 28-35 cm (Ref. 26346). 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)
Categoria na Lista Vermelha da IUCN (Ref. 119314)
CITES (Ref. 115941)
Ameaça para o homem
Poisonous to eat (Ref. 6871)
Pescarias: pouco comercial
ReferênciasAquaculturaPerfil para aquaculturaEstirpesGenéticaFrequência dos alelosHereditariedadeDoençasProcessamentoMass conversion
Fontes da internet
Estimates of some properties based on models
Preferred temperature (Ref. 115969
): 2.6 - 10.8, mean 7.8 (based on 659 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5313 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00468 (0.00199 - 0.01098), b=3.13 (2.93 - 3.33), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245
Nível Trófico (Ref. 69278
): 4.2 ±0.4 se; Based on diet studies.
Resiliência (Ref. 69278
): Muito baixo, tempo mínimo de duplicação da população maior que 14 anos (Fec=4-8, tmax=54, tm=9-15).
Vulnerabilidade (Ref. 59153
): Very high vulnerability (78 of 100) .