Elasmobranquios (tiburones y rayas) (sharks and rays) >
Torpediniformes (Electric rays) >
Torpedinidae (Electric rays)
Etymology: Torpedo: Latin, torpere = be sluggish (Ref. 45335).
Eponymy: A toponym; this electric ray is named after the city of Alexandria in Egypt, not a person. (Ref. 128868), visit book page.
Taxonomic Remarks
Validity of species doubtful, origin unclear if eastern Mediterranean or northern Red Sea (Ref. 95633).
Entorno: milieu / zona climática / rango de profundidad / gama de distribución
Ecología
marino demersal. Tropical
Mediteranean Sea or Red Sea: Egypt. Origin doubful if Red Sea or Mediterranean, also described from off Alexandria.
Tamaño / Peso / Edad
Madurez: Lm ?  range ? - ? cm
Ovoviviparous (Ref. 50449).
Ciclo vital y comportamiento de apareamiento
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
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).
Compagno, L.J.V., 1999. Checklist of living elasmobranchs. p. 471-498. In W.C. Hamlett (ed.) Sharks, skates, and rays: the biology of elasmobranch fishes. Johns Hopkins University Press, Maryland. (Ref. 35766)
Situación en la Lista Roja de la UICN (Ref. 130435: Version 2025-2 (Global))
Amenaza para el ser humano
Harmless
Usos humanos
Herramientas
Informes especiales
Descargar XML
Fuentes de Internet
Estimaciones basadas en modelos
Índice de diversidad filogenética (Referencia
82804): PD
50 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01479 (0.00678 - 0.03229), b=2.97 (2.78 - 3.16), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nivel trófico (Referencia
69278): 4.4 ±0.8 se; based on size and trophs of closest relatives
Resiliencia (Referencia
120179): Bajo, población duplicada en un tiempo mínimo de 4.5-14 años (Preliminary K or Fecundity.).
Vulnerabilidad pesquera (Ref.
59153): Moderate vulnerability (44 of 100).
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