Elasmobranchii (hajar och rockor) (sharks and rays) >
Torpediniformes (Electric rays) >
Narcinidae (Numbfishes)
Etymology: Discopyge: Greek, diskos = disc shape + Greek, pyge = tail (Ref. 45335); castelloi: Named for H.P. Castello.
Eponymy: Dr Hugo Patricio Castello is an Argentine zoologist, marine biologist and ichthyologist who gave the holotype of this electric ray to the describers, suggesting it might be new to science. [...] (Ref. 128868), visit book page.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina pelagic-neritic; djupintervall 35 - 55 m (Ref. 114953). Tropical; 38°S - 45°S, 58°W - 66°W (Ref. 114953)
Southwest Atlantic: Necochea and Camarones (off Argentina).
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 30.7 cm TL (female)
Benthic on inner continental shelf. Smallest known size of newborn, still with umbilical scars is 9-10 cm TL. Rarely captured and life history unknown (Ref. 114953).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Menni, R.C., G. Rincón and M.L. García, 2009. Discopyge castelloi sp. Nov. (Torpediniformes, Narcinidae), una nueva especie de raya eléctrica del Mar Argentino. Revista del Museo Argentino de Ciencias Naturales "Bernardino Rivadavia", n.s.,10(1):161-171. (Ref. 81090)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
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Index för fylogenetisk mångfald (Ref. 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). |
Trofisk nivå (Ref. 69278) |
3.2 ±0.4 se; based on size and trophs of closest relatives |
Sårbarhet i fisket (Ref. 59153) |
Low vulnerability (21 of 100). 🛈 |