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Gollum attenuatus (Garrick, 1954)
Slender smooth-hound
個人による観察記録の追加 Fish Watcher
| Native range | All suitable habitat | Point map | Year 2050 |
|
| This map was computer-generated and has not yet been reviewed. |
| Gollum attenuatus AquaMaps Data sources: GBIF OBIS |
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:
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
分類 / Names 共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa
板鰓亜鋼(サメとエイ類) (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).
Eponymy: The genus and these species are named after the fictional character, Gollum, in J R R Tolkien’s The Hobbit and Lord of the Rings. [...] (Ref. 128868), visit book page.
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).
Eponymy: The genus and these species are named after the fictional character, Gollum, in J R R Tolkien’s The Hobbit and Lord of the Rings. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range 生態学
分布 国々 | 国連食糧農業機関の区域 | エコシステム | 事件 | Point map | 導入 | 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 / サイズ / 重さ / 年齢
Maturity: Lm ?, range 70 - ? cm
Max length : 107 cm TL オス/雌雄の選別がない; (Ref. 6893); 109.2 cm TL (female)
Max length : 107 cm TL オス/雌雄の選別がない; (Ref. 6893); 109.2 cm TL (female)
簡単な記述 検索表 | 形態学 | 形態計測学
背面の脊椎 (合計) : 0; 肛門の骨: 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 成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
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).
主な参考文献
Upload your references | 参考文献 | コーディネーター | 協力者
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)
Human uses
水産業: 興味がない
FAO(Publication : search) | FishSource |
より多くの情報
Population dynamics
成長のパラメーター
Max. ages / sizes
Length-weight rel.
Length-length rel.
体長組成
Mass conversion
補充
豊度
成長のパラメーター
Max. ages / sizes
Length-weight rel.
Length-length rel.
体長組成
Mass conversion
補充
豊度
Physiology
Body composition
Nutrients
酸素消費
水泳形態
泳ぐ速さ
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Body composition
Nutrients
酸素消費
水泳形態
泳ぐ速さ
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Genetics
遺伝子の
Heterozygosity
遺伝
遺伝子の
Heterozygosity
遺伝
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インターネットの情報源
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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).
栄養段階 (Ref. 69278): 4.2 ±0.4 se; based on diet studies.
回復力 (Ref. 120179): 非常に低い, １４年以上の倍増期間の最小個体群 (Fec=2).
Fishing Vulnerability (Ref. 59153): High to very high vulnerability (66 of 100).