Common names from other countries
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 author: Gmelin.
Environment: milieu / climate zone / depth range / distribution range
Sinh thái học
Biển gần đáy; Mức độ sâu 20 - 183 m (Ref. 6589). Subtropical; 23°S - 36°S, 13°E - 32°E (Ref. 114953)
Southeast Atlantic: Cape of Good Hope to central Natal, South Africa. Possibly occurring in Namibia, Mozambique and Madagascar (Ref. 5578, Ref. 114953).
Bộ gần gũi / Khối lượng (Trọng lượng) / Age
Maturity: Lm ?  range ? - ? cm
Max length : 38.0 cm TL con đực/không giới tính; (Ref. 5578)
Short description
Khóa để định loại | Hình thái học | Sinh trắc học
Small ray with an almost circular disc and an elongated caudal fin (Ref. 5578). Yellowish-brown above with yellowish patches on upper tail, yellow with brown margins below (Ref. 5578).
Occurs offshore on the shelf; also common on sandy and muddy bottoms at 20-115 m (Ref. 5578). Feeds mainly on polychaetes (Ref. 5578). Males reaches maturity at 18-23 cm TL, females at ca. 23 cm TL (Ref. 114953). Capable of giving a powerful shock (Ref. 5578). Incidental catch of trawlers (Ref. 5578). It is parasitised by the monogenean Electrocotyle whittingtoni in the gills (Ref. 124060).
Life cycle and mating behavior
Maturities | Sự tái sinh sản | Spawnings | Egg(s) | Fecundities | Ấu trùng
Compagno, L.J.V., 1986. Narkidae. p. 113-114. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin. (Ref. 6589)
IUCN Red List Status (Ref. 130435)
CITES (Ref. 128078)
Not Evaluated
Human uses
Các nghề cá: Tính thương mại; Bể nuôi cá: Tính thương mại
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