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Scymnodalatias albicauda Taniuchi & Garrick, 1986

Whitetail dogfish
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Native range | All suitable habitat | Point map | Year 2050
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Scymnodalatias albicauda   AquaMaps   Data sources: GBIF OBIS
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Image of Scymnodalatias albicauda (Whitetail dogfish)
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drawing shows typical species in Somniosidae.


New Zealand country information

Common names: Whitetail dogfish
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Voucher specimen(s) held at the NMNZ (Ref. 5755). Also Ref. 6871, 75154.
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, ) | ITIS | CoL | WoRMS | Cloffa

板鰓亜鋼(サメとエイ類) (sharks and rays) > Squaliformes (Sleeper and dogfish sharks) > Somniosidae (Sleeper sharks)
Etymology: Scymnodalatias: scymno-, referring to previous placement in Scymnodon; dalatias, referring to lack of dorsal spines like most sharks in the family Dalatiidae (sometimes included within Somniosidae). (See ETYFish);  albicauda: albus (L.), white; cauda (L.), tail, referring to white markings on caudal fin. (See ETYFish).

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

深海浮遊性; 海洋回遊性 (Ref. 51243); 深さの範囲 150 - 510 m (Ref. 6871).   Deep-water; 42°S - 50°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

Eastern Indian Ocean: southern Australia. Southwest Pacific: New Zealand.

サイズ / 重さ / 年齢

Maturity: Lm ?  range ? - ? cm
Max length : 111 cm TL オス/雌雄の選別がない; (Ref. 26346)

簡単な記述 検索表 | 形態学 | 形態計測学

背面の脊椎 (合計) : 0. Grey and white, mottled with large brown or black spots; tail mostly white with black tips (Ref. 26346). Dorsal fins small, pectoral fins angular, and an asymmetric caudal fin with a dark-tipped upper lobe (Ref. 6871).

生物学     用語集 (例 epibenthic)

Oceanic (Ref. 6871). A rare species known only from a few specimens taken by tuna longliners and trawlers (Ref. 6871). Ovoviviparous (Ref. 205), with at least 59 young in a litter (Ref. 26346).

Life cycle and mating behavior Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 幼生

Probably ovoviviparous (Ref. 6871), with at least 59 young (Ref. 26346). 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

Last, P.R. and J.D. Stevens, 1994. Sharks and rays of Australia. CSIRO, Australia. 513 p. (Ref. 6871)

IUCNのレッドリストの状況は (Ref. 130435)

  欠足データ (DD) ; Date assessed: 24 June 2017

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

人間に対する脅威

  Harmless




Human uses

FAO(Publication : search) | FishSource |

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Estimates based on models

Preferred temperature (Ref. 115969): 7.2 - 11.8, mean 9.2 (based on 20 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5625   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00168 - 0.00901), b=3.13 (2.94 - 3.32), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
栄養段階 (Ref. 69278):  4.1   ±0.5 se; based on size and trophs of closest relatives
回復力 (Ref. 120179):  低い, 4.5年~14年の倍増期間の最小個体群 (Fec=59).
Fishing Vulnerability (Ref. 59153):  High to very high vulnerability (67 of 100).