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Narcine entemedor Jordan & Starks, 1895

Giant electric ray
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Narcine entemedor   AquaMaps   Data sources: GBIF OBIS
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Image of Narcine entemedor (Giant electric ray)
Narcine entemedor
Picture by Murch, A.

分類 / Names 俗名 | 同種異名 | Catalog of Fishes(, ) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii 板鰓亞綱 (鯊魚與魟魚) (sharks and rays) > Torpediniformes (Electric rays) 電鰩目 (Electric rays) > Narcinidae (Numbfishes) 雙鰭電鰩科 (Numbfishes)
Etymology: Narcine: Greek, narke = numbness (Ref. 45335).
More on authors: Jordan & Starks.

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

海洋 居於水底的; 深度上下限 1 - 100 m (Ref. 96339). 熱帶; 32°N - 7°S, 115°W - 78°W (Ref. 114953)

分布 國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri

Eastern Pacific: Gulf of California to northern Peru.
東太平洋: 加州灣到祕魯。

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 119 cm TL 雄魚/尚未辨別雌雄; (Ref. 111131)

生物學特性     字彙 (例如 epibenthic)

Found in shallow water on sandy bottoms, sometimes adjacent to reefs (Ref. 12951). Found buried in the sand during the day (Ref. 12951). Moves into shallow bays at night to feed; prefers polychaete worms, but may take sea squirts (Ref. 12951). Produces litters of up to 15 pups. Maturity size of males at ca. 36 cm TL; birth size at ca. 11 cm TL (Ref. 114953).

發現於在砂質底部上的淺水區了, 有時鄰近礁.(參考文獻 12951) 發現埋藏在砂中在白天期間.(參考文獻 12951) 移入淺灣在晚上覓食; 偏愛多毛類的蠕蟲, 但是可能吃海椿象.(參考文獻 12951)

Life cycle and mating behavior 成熟度 | 繁殖 | 產卵場 | | 孕卵數 | 仔魚

東太平洋: 加州灣到祕魯。

主要參考資料 Upload your references | 參考文獻 | 合作者 : Carvalho, Marcelo | 合作者

McEachran, J.D., 1995. Narcinidae. Rayas eléctricas. p. 769-771. In W. Fischer, F. Krupp, W. Schneider, C. Sommer, K.E. Carpenter and V. Niem (eds.) Guia FAO para Identification de Especies para los Fines de la Pesca. Pacifico Centro-Oriental. 3 Vols. FAO, Rome. (Ref. 9259)

IUCN 瀕危狀態 (Ref. 130435: Version 2024-1)

  次級保育類動物, 見 IUCN 紅皮書 (VU) (A2bd); Date assessed: 07 February 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

另外地 (Ref. 9259)





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更多資訊

Trophic ecology
食物相
食性組成
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Mass conversion
入添量
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Life cycle
繁殖
成熟度
Maturity/Gills rel.
孕卵數
產卵場
Spawning aggregations

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參考文獻

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Estimates based on models

Preferred temperature (Ref. 123201): 18.5 - 28.9, mean 25.8 °C (based on 82 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01259 (0.00719 - 0.02203), b=2.90 (2.74 - 3.06), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
營養階層 (Ref. 69278):  3.0   ±0.18 se; based on food items.
回復力 (Ref. 120179):  低的, 最小族群倍增時間4.5 - 14 年 (Assuming fecundity<100).
Fishing Vulnerability (Ref. 59153):  High to very high vulnerability (71 of 100).