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Torpediniformes (Electric rays) >
Narcinidae (Numbfishes)
Etymology: Discopyge: Greek, diskos = disc shape + Greek, pyge = tail (Ref. 45335).
Eponymy: Baron Dr Johann Jakob von Tschudi (1818–1889) was a Swiss explorer, physician, diplomat, naturalist, hunter, anthropologist, cultural historian, language researcher and statesman. [...] (Ref. 128868), visit book page.
More on author: Heckel.
Lingkungan: lingkungan / zona iklim / kisaran kedalaman / jangkauan distribusi
Ekologi
laut dasar (demersal); kisaran kedalaman 5 - 165 m (Ref. 38391). Subtropical; 15°S - 56°S, 76°W - 50°W (Ref. 114953)
Southeast Pacific: Peru and Chile (Ref. 5530). Southwest Atlantic: Uruguay and Argentina (Ref. 2806).
Ukuran / Berat / umur
Kematangan: Lm ?  range ? - ? cm
Max length : 53.8 cm TL jantan/; (Ref. 38391); 44.2 cm TL (female); common length : 42.0 cm TL jantan/; (Ref. 114953)
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).
Siklus hidup dan perilaku kawin
Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fekunditas | Larva
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)
Status IUCN Red List (Ref. 130435: Version 2025-2 (Global))
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Estimasi berdasarkan model
Indeks keanekaragaman filogenetik (Acuan 82804) |
PD50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01175 (0.00470 - 0.02937), b=2.88 (2.66 - 3.10), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Tingkat Trofik (Acuan 69278) |
3.3 ±0.4 se; based on size and trophs of closest relatives |
Daya lenting (Acuan 120179) |
Rendah, Waktu penggandaan populasi minimum 4.5 - 14 tahun (Assuming fecundity<100). |
Kerentanan Penangkapan Ikan (Ref. 59153) |
Low to moderate vulnerability (31 of 100). 🛈 |
Nutrisi (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. |