Elasmobranchii (tubarões e raias) (sharks and rays)
(Sleeper and dogfish sharks) > Somniosidae
Etymology: Centroscymnus: centr[um] (L.), prickle or sharp point, referring to spines on both dorsal fins; scymnus, an ancient name for some kind of shark, derived from a Greek word meaning young animal, cub or whelp. (See ETYFish).
More on author: Waite.
Synonym of Scymnodon macracanthus (Regan, 1906) (Ref. 125657). This page will be removed.
Environment: milieu / climate zone / depth range / distribution range
; marinhas batidemersal; intervalo de profundidade 219 - 1550 m (Ref. 6871), usually 550 - 732 m (Ref. 247). Deep-water; 32°S - 56°S, 136°E - 168°W
Southwest Pacific: New Zealand and southeastern Australia.
Comprimento de primeira maturação / Tamanho / Peso / Idade
Maturity: Lm 149.5, range 129 - 170 cm
Max length : 131 cm TL macho/indeterminado; (Ref. 247); 170.0 cm TL (female)
Espinhos anais 0; Raios anais : 0. Dark grey-brown in color, dorsal fins with very small fin spines, very short snout, lanceolate upper teeth and bladelike lower teeth with short, oblique cusps, stocky body that tapers abruptly from pectoral region, moderately large dermal denticles with triple cusps and ridges in adults and subadults (Ref. 247).
Found on continental and insular slopes (Ref. 247). Occurs in large schools near the bottom which are segregated according to size and sex (Ref. 247). Feeds on cephalopods and bony fishes (Ref. 247). Ovoviviparous (Ref. 205), with up to 36 young in a litter. Size at birth between 32 and 36 cm (Ref. 247). Used for fishmeal and liver oil (Ref. 6871). Minimum depth from Ref. 247.
Ovoviviparous with up to 36 young in a litter. Size at birth between 32 and 36 cm (Ref. 247). 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)
Status na Lista Vermelha da UICN (Ref. 125652)
Ameaça para os humanos
Uso pelos humanos
Pescarias: de interesse potencial
ReferênciasAquaculturaPerfil para aquaculturaEstirpesGenéticaFrequências alélicasHereditariedadeDoençasProcessamentoNutrientsConversão de massa
Fontes da internet
Estimates based on models
Preferred temperature (Ref. 115969
): 5.1 - 8.8, mean 6.9 °C (based on 105 cells).
Índice de diversidade filogenética (Ref. 82805
= 0.5313 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00380 (0.00226 - 0.00639), b=3.12 (2.98 - 3.26), in cm total length, based on LWR estimates for species & Subfamily-BS (Ref. 93245
Nível Trófico (Ref. 69278
): 4.5 ±0.59 se; based on food items.
Resiliência (Ref. 120179
): Baixo, tempo mínimo de duplicação da população 4,5 - 14 anos (Fec=36).
Fishing Vulnerability (Ref. 59153
): Very high vulnerability (90 of 100) .
Climate Vulnerability (Ref. 125649
): (0 of 100) .