New Zealand country information

Common names: Slender smoothhound, Slender smoothhound, Slender smooth-hound
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: of no interest | Ref: Compagno, L.J.V. and V.H. Niem, 1998
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Occurs off New Zealand (Ref. 13566). Voucher specimen(s) held at the NMNZ (Ref. 5755). Of no interest to fisheries at present, although taken in small numbers by bottom trawlers (Ref. 13566). Also Ref. 244, 6893.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/nz.html
National Fisheries Authority: http://www.fish.govt.nz/
Occurrences: Occurrences Point map
Main Ref: Cox, G. and M. Francis, 1997
National Database:

Common names from other countries

Requin chat golloum, Tollo coludo elegante, قِرش قِطّ أنيق, ... more

Classificação / Names Nomes comuns | Sinônimos | Catalog of Fishes(Gênero, Espécies) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (tubarões e raias) (sharks and rays) > Carcharhiniformes (Ground sharks) > Pseudotriakidae (False catsharks)
Etymology: Gollum: Named for the antihero of Tolkien’s “Lord of the Rings” trilogy, to which G. attenuatus “bears some resemblance in form and habits”. (See ETYFish); attenuatus: Latin for drawn out or tapered, refer- ring to its “attenuate, almost anguilliform as though emaciated” shape. (See ETYFish).

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

marinhas batidemersal; intervalo de profundidade 120 - 660 m (Ref. 26346), usually 400 - 600 m (Ref. 13566). Deep-water; - 46°S

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

Southwest Pacific: occurs off New Zealand and on rises between New Zealand and the east coast of Australia, New Caledonia, and Fiji just south of the Western Central Pacific. Placement in Proscyllidae provisional, probably will be relocated in Pseudotriakidae.

Comprimento de primeira maturação / Tamanho / Peso / Idade

Maturity: L_m ?, range 70 - ? cm
Max length : 107 cm TL macho/indeterminado; (Ref. 6893); 109.2 cm TL (female)

Descrição suscinta Chaves de identificação | Morfologia | Morfometria

Espinhos dorsais (total) : 0; Espinhos anais: 0. Caudal fin without a rippled dorsal margin and ventral lobe but with a strong subterminal notch; vertebral axis of caudal fin little raised above body axis (Ref. 13566).

An uncommon to common deep-water bottom-dwelling shark found on the outermost continental shelf and upper slope of New Zealand and on adjacent seamounts and submarine banks (Ref. 13566). Seems adapted to waters of about 10°C and 34.8 ppt salinity (Ref. 6893). Feeds on a wide variety of fishes, cephalopods, and other invertebrates (Ref. 13566). Probably in schools (Ref. 13566). Females grow slightly larger than males (Ref. 13566). Ovoviviparous, embryos feeding on yolk sac and other ova produced by the mother, uterine milk is consumed additionally (Ref. 50449). Two young are born per litter (Ref. 13566).

Ciclo de vida ou comportamento de acasalamento Maturities | Reprodução | Spawnings | Egg(s) | Fecundities | Larvas

Exhibit ovoviparity (aplacental viviparity), embryos feed on yolk and ova, also consume uterine milk (Ref. 50449). With usually 2 young per litter (Ref. 13566). Fetuses eat unfertilized eggs and store consumed yolk in their yolk sacs (Ref. 13566). Distinct pairing with embrace (Ref. 205).

Referência principal Upload your references | Referências | Coordenador | 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 2 - Carcharhiniformes. FAO Fish. Synop. 125(4/2):251-655. Rome: FAO. (Ref. 244)

Status na Lista Vermelha da UICN (Ref. 130435)

Segura ou pouco preocupante (LC) ; Date assessed: 21 June 2017

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Ameaça para os humanos

Harmless (Ref. 13566)

Uso pelos humanos

Pescarias: sem interesse

FAO(Publication : search) | FishSource |

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Estimates based on models

Preferred temperature (Ref. 115969): 7.9 - 10.1, mean 9.5 (based on 24 cells).

Índice de diversidade filogenética (Ref. 82804): PD₅₀ = 0.8125 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00209 (0.00112 - 0.00389), b=3.21 (3.04 - 3.38), 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. 120179): Muito baixo(a), tempo mínimo de duplicação da população maior que 14 anos (Fec=2).

Fishing Vulnerability (Ref. 59153): High to very high vulnerability (66 of 100).

Gollum attenuatus (Garrick, 1954)