Narcinops lasti, Western numbfish

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Narcinops lasti (Carvalho & Séret, 2002)

Western numbfish
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Narcinops lasti   AquaMaps   Data sources: GBIF OBIS
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drawing shows typical species in Narcinidae.

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) > Torpediniformes (Electric rays) > Narcinidae (Numbfishes)
Etymology: lasti: Named for Dr. Peter R. Last, in recognition of his studies in the taxonomy and distribution of Australian elasmobranchs..

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

底生の; 深さの範囲 178 - 350 m (Ref. 75154). Tropical; 8°S - 32°S, 111°E - 132°E (Ref. 114953)

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: Australia (Western Australia to off the Northern Territory) and Arafura Sea (SE Indonesia, south of Tanimbar I.).

サイズ / 重さ / 年齢

Maturity: Lm ?  range ? - 24 cm
Max length : 36.5 cm TL オス/雌雄の選別がない; (Ref. 93928)

簡単な記述 形態学 | 形態計測学

This species is distinguished by the following characters: tail length as measured from cloaca much longer than disc width or length (means: tail length 53.7% of TL, vs. disc width 40.3% of TL and disc length 42.1% TL); nasal curtain much wider than long; colour pattern dorsally uniform light yellowish-brown, which is also present over preorbital snout region, no distinctive spotting or markings over disc and tail; low and inconspicuous lateral tail ridge, not resembling a distinct fold; mean preorbital snout length just over 10% of TL (Ref. 93928).

生物学     用語集 (例 epibenthic)

Usually found over sandy and muddy bottoms (Ref. 93928). Maturity size reaches at ca. 24 cm TL; born at ca. 7-8 cm TL. Biology little known (Ref. 114953).

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

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

de Carvalho, M.R. and B. Séret, 2002. Narcine lasti: a new species of numbfish from Western Australia and Indonesia (Chondrichthyes: Torpediniformes: Narcinidae). Rec. Western Australia Mus. 20:393-408. (Ref. 93928)

IUCNのレッドリストの状況は (Ref. 130435)

  軽度懸念 (LC) ; Date assessed: 13 May 2015

CITES

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. 123201): 13.2 - 17.5, mean 15.6 °C (based on 19 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5312   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01175 (0.00476 - 0.02897), b=2.88 (2.66 - 3.10), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
栄養段階 (Ref. 69278):  3.3   ±0.4 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 (Assuming fecundity<100).
Fishing Vulnerability (Ref. 59153):  Low to moderate vulnerability (27 of 100).