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

Classification / Names প্রচলিত নাম সমূহ | প্রতিনাম সমূহ | Catalog of Fishes(গণ , প্রজাতি ) | ITIS | CoL | WoRMS | Cloffa

ইলাসমোব্রাঙ্কি (হাঙ্গর এবং রে) (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 বাস্তুসংস্থান

সামুদ্রিক ব্যথিডিমারসাল সমুদ্র তলদেশবিহারী; গভীরতার পরিসীমা 120 - 660 m (Ref. 26346), usually 400 - 600 m (Ref. 13566). Deep-water; - 46°S

বিতরণ দেশ সমূহ | এফ এ ও এলাকাসমূহ | বাস্তুতন্ত্র | দৃষ্টিগোচর | Point map | প্রচলন | 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.

Length at first maturity / আকৃতি / ওজন / Age

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

Short description সনাক্তকারী নির্দেশক | বহিঃ অঙ্গ সংস্থান | মরফোমেট্রিক্স

পৃষ্ঠীয় কাঁটা (মোট ) : 0; পায়ূ কাঁটা : 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).

Life cycle and mating behavior Maturities | প্রজনন | Spawnings | Egg(s) | Fecundities | শুককীট

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).

Main reference Upload your references | সূত্র সংখ্যা | সমম্বয়কারী | সহযোগী

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)

IUCN Red List Status (Ref. 130435)

Least Concern (LC) ; Date assessed: 21 June 2017

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless (Ref. 13566)

Human uses

মৎস্য: আকর্ষণবিহীণ

FAO(Publication : search) | FishSource |

আরো তথ্য

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প্রচলিত নাম সমূহ
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ইন্টারনেট সুত্র

Estimates based on models

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

Phylogenetic diversity index (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).

ট্রফিক পর্যায়ে (Ref. 69278): 4.2 ±0.4 se; based on diet studies.

স্থিতিস্থাপক (Ref. 120179): অত্যন্ত কম , সর্বনিম্ন প্রজন দ্বিগুনের সময় ১৪ বৎসর (Fec=2).

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

Gollum attenuatus (Garrick, 1954)