Lớp phụ Cá sụn (cá mập và cá đuối) (sharks and rays) > Torpediniformes (Electric rays) > Narkidae (Sleeper rays)
Etymology: Narke:Greek, narke = numbness (Ref. 45335). More on authors: Bloch & Schneider.
Environment: milieu / climate zone / depth range / distribution range Sinh thái học
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