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Hydrolagus novaezealandiae (Fowler, 1911)

Dark ghost shark
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Hydrolagus novaezealandiae   AquaMaps   Data sources: GBIF OBIS
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Hydrolagus novaezealandiae
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New Zealand country information

Common names: Chimaera, Dark ghost shark, Ghost shark
Occurrence: endemic
Salinity: marine
Abundance: scarce (very unlikely) | Ref: Doonan, I.J., M. Dunn and A.C. Hart, 2009
Importance: minor commercial | Ref: Armitage, R.O., D.A. Payne, G.J. Lockley, H.M. Currie, R.L. Colban, B.G. Lamb and L.J. Paul (eds.), 1994
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Ranges from North Cape to the Campbell Plateau, Chatham Rise and Bounty Plateau (Ref. 89422). Fairly common off central and southern New Zealand but not Campbell Plateau (Ref. 9258). Recorded in the trawl survey in Chathams Island (Ref. 45493) and off the east coast of South Island (Ref. 58461). Recorded as scarce in the Northeastern and Eastern Chatham Rise (Ref. 87166). Taken as a bycatch (Ref. 9258). Sometimes marketed as pearl fillets (Ref. 9258). Exported to Japan. Voucher specimen(s) held at the NMNZ (Ref. 5755). Also Ref. 107024.
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

Ghost shark, Nyazeeländsk Havsmus, Spøgelseshaj, ... more

分類 / Names 共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa

全頭亜鋼 (chimaeras) > Chimaeriformes (Chimaeras) > Chimaeridae (Shortnose chimaeras or ratfishes)
Etymology: Hydrolagus: hydro-, combining form of hydor (Gr.), water; lagos (Gr.), hare, i.e., “water rabbit,” probably referring to three pairs of tooth plates, which tend to protrude from the mouth like a rabbit’s incisors. (See ETYFish);  novaezealandiae: novus (L.), new, i.e., of New Zealand, in whose waters it occurs. (See ETYFish).
  More on author: Fowler.

Environment: milieu / climate zone / depth range / distribution range 生態学

海 深海魚; 深さの範囲 25 - 950 m (Ref. 26346), usually 100 - 600 m (Ref. 89422).   Deep-water; 34°S - 47°S

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: endemic to New Zealand.

サイズ / 重さ / 年齢

Maturity: Lm ?  range ? - ? cm
Max length : 96.0 cm TL オス/雌雄の選別がない; (Ref. 26346); common length : 55.0 cm TL オス/雌雄の選別がない; (Ref. 9258)

簡単な記述 形態学 | 形態計測学

肛門の骨 0; 臀鰭: 0. Dark grey dorsally, with silver-white markings, pale silver-grey ventrally (Ref. 26346).

生物学     用語集 (例 epibenthic)

Inhabits the outer continental shelf and upper slope (Ref. 26346). Feeds on crustaceans, shellfish, worms and small fish (Ref. 26346). Maximum length 87 cm without tail filament (Ref. 26346), assumed to have 96 cm TL. Marketed as fillets (Ref. 26346).

Life cycle and mating behavior 成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生

Oviparous, young hatch from egg case at about 9-12 cm (Ref. 26346).

主な参考文献 Upload your references | 参考文献 | コーディネーター | 協力者

Cox, G. and M. Francis, 1997. Sharks and rays of New Zealand. Canterbury Univ. Press, Univ. of Canterbury. 68 p. (Ref. 26346)

IUCNのレッドリストの状況は (Ref. 130435)

  軽度懸念 (LC) ; Date assessed: 20 June 2017

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

人間に対する脅威

  Harmless




Human uses

水産業: 少数商業の
FAO(水産業: 代謝; publication : search) | FIRMS (Stock assessments) | FishSource | 私達の周りの海

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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): 8 - 13.7, mean 10.8 (based on 62 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00240 (0.00122 - 0.00472), b=3.14 (2.96 - 3.32), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
栄養段階 (Ref. 69278):  3.5   ±0.46 se; based on food items.
回復力 (Ref. 120179):  低い, ４．５年～１４年の倍増期間の最小個体群 (Assuming Fec <100).
Prior r = 0.28, 95% CL = 0.16 - 0.49, Based on 1 stock assessment.
Fishing Vulnerability (Ref. 59153):  High vulnerability (58 of 100).
Climate Vulnerability (Ref. 125649):  Very high vulnerability (76 of 100).
価格帯 (Ref. 80766):   High.