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Tetronarce tremens (de Buen, 1959)

Chilean torpedo
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Tetronarce tremens   AquaMaps   Data sources: GBIF OBIS
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Image of Tetronarce tremens (Chilean torpedo)
Tetronarce tremens
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板鰓亜鋼(サメとエイ類) (sharks and rays) > Torpediniformes (Electric rays) > Torpedinidae (Electric rays)

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

海 底生の; 深さの範囲 0 - 700 m (Ref. 106604). Subtropical; 10°N - 40°S, 95°W - 70°W (Ref. 114953)

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Eastern Pacific: From Costa Rica to Chile, and Galapagos Is. (Ref. 130539).

サイズ / 重さ / 年齢

Maturity: Lm ?  range ? - ? cm
Max length : 90.0 cm TL オス/雌雄の選別がない; (Ref. 114953)

生物学     用語集 (例 epibenthic)

Lives on the continental shelf, usually in very shallow waters. Feeds on invertebrates and benthic fishes. Ovoviviparous (Ref. 50449). Maturity size of males usually at ca. 40 cm TL (Ref. 114953). The electric organs can produce a discharge of about 45 volts, depending on the size of the animal. The discharge is used to stun prey and as defense against predators.

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

Exhibit ovoviparity (aplacental viviparity), with embryos feeding initially on yolk, then receiving additional nourishment from the mother by indirect absorption of uterine fluid enriched with mucus, fat or protein through specialised structures (Ref. 50449).

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

McEachran, J.D., 1995. Torpedinidae. Tembladeras, tremolinas. p. 784-785. In W. Fischer, F. Krupp, W. Schneider, C. Sommer, K.E. Carpenter and V. Niem (eds.) Guia FAO para Identification de Especies para lo Fines de la Pesca. Pacifico Centro-Oriental. 3 Vols. FAO, Rome. (Ref. 9264)

IUCNのレッドリストの状況は (Ref. 130435: Version 2024-1)

  軽度懸念 (LC) ; Date assessed: 14 May 2021

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

人間に対する脅威

Other (Ref. 9264)





Human uses

水産業: 興味がない
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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5001   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01479 (0.00665 - 0.03288), b=2.96 (2.77 - 3.15), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
栄養段階 (Ref. 69278):  4.0   ±0.61 se; based on food items.
回復力 (Ref. 120179):  非常に低い, １４年以上の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  High vulnerability (56 of 100).
Nutrients (Ref. 124155):  Calcium = 18.8 [3.8, 89.1] mg/100g; Iron = 0.691 [0.177, 2.037] mg/100g; Protein = 18.3 [13.9, 21.7] %; Omega3 = 0.428 [0.181, 0.942] g/100g; Selenium = 28.9 [9.4, 83.9] μg/100g; VitaminA = 11 [4, 34] μg/100g; Zinc = 0.562 [0.275, 1.039] mg/100g (wet weight);