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Discopyge tschudii Heckel, 1846

Apron 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.
Discopyge tschudii   AquaMaps   Data sources: GBIF OBIS
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Image of Discopyge tschudii (Apron ray)
Discopyge tschudii
Picture by Schories, D.

分類 / Names 俗名 | 同種異名 | Catalog of Fishes(屬, 種) | 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: Discopyge: Greek, diskos = disc shape + Greek, pyge = tail (Ref. 45335).
More on author: Heckel.

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

海洋 居於水底的; 深度上下限 5 - 165 m (Ref. 38391). 亞熱帶的; 15°S - 56°S, 76°W - 50°W (Ref. 114953)

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

Southeast Pacific: Peru and Chile (Ref. 5530). Southwest Atlantic: Uruguay and Argentina (Ref. 2806).
東南太平洋: 祕魯與智利.(參考文獻 5530) 西南大西洋: 烏拉圭與阿根廷.(參考文獻 2806)

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 53.8 cm TL 雄魚/尚未辨別雌雄; (Ref. 38391); 44.2 cm TL (female); common length : 42.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 114953)

生物學特性     字彙 (例如 epibenthic)

A benthic species found on continental shelf. Produces 2-5 pups during each gestation (up to 12 reported from Argentina). Segregates by sex. Maturity size for males at 23-29 cm TL, females probably smaller (at least in Argentina); birth size at 8-9 cm TL (Ref. 114953).

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

東南太平洋: 祕魯與智利.(參考文獻 5530) 西南大西洋: 烏拉圭與阿根廷.(參考文獻 2806)

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

Menni, R.C., R.A. Ringuelet and R.H. Aramburu, 1984. Peces marinos de la Argentina y Uruguay. Editorial Hemisferio Sur S.A. Buenos, Aires, Argentina. 359 p. (Ref. 2806)

IUCN 瀕危狀態 (Ref. 130435)

  無危 (LC) ; Date assessed: 08 February 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

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Estimates based on models

Preferred temperature (Ref. 123201): 7.3 - 14.9, mean 10.4 °C (based on 197 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.7500   [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).
營養階層 (Ref. 69278):  3.3   ±0.4 se; based on size and trophs of closest relatives
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):  Moderate vulnerability (42 of 100).
Nutrients (Ref. 124155):  Calcium = 16.4 [2.1, 336.5] mg/100g; Iron = 0.857 [0.082, 10.406] mg/100g; Protein = 14.6 [10.6, 20.1] %; Omega3 = 0.27 [0.10, 0.74] g/100g; Selenium = 29 [5, 136] μg/100g; VitaminA = 5.81 [0.46, 69.02] μg/100g; Zinc = 0.792 [0.054, 9.133] mg/100g (wet weight); based on nutrient studies.