Lớp phụ Cá sụn (cá mập và cá đuối) (sharks and rays) >
Torpediniformes (Electric rays) >
Narkidae (Sleeper rays)
Etymology: Electrolux: Name refers to the well-developed electrogenic properties of this ray, the discovery of which sheds light (Latin 'lux') on the rich and poorly known fish diversity of the Western Indian Ocean.; addisoni: Named for Mark Addison, BlueWilderness dive charters of Widenham, KwaZulu-Natal..
Environment: milieu / climate zone / depth range / distribution range
Sinh thái học
Biển gần đáy; Mức độ sâu 6 - 35 m (Ref. 75572). Subtropical; 30°S - 32°S, 29°E - 31°E (Ref. 114953)
Western Indian Ocean: South Africa from Coffee Bay (Eastern Cape Province) to Durban (KwaZulu-Natal)
Bộ gần gũi / Khối lượng (Trọng lượng) / Age
Maturity: Lm ?  range ? - ? cm
Max length : 52.0 cm TL con đực/không giới tính; (Ref. 75572); Khối lượng cực đại được công bố: 1.8 kg (Ref. 75572)
Found in warm-temperate or subtropical waters approximately 310 km of coastline with very narrow continental shelf (10-36 km wide to the 200 m isobath), however, the few sightings were all inside the 50 m isobath; on reefs with sandy or gravelly areas from close inshore to less than 50 m depth, including patches of appropriate habitat on inshore and offshore rocky banks and reefs. Apparently an infauna or meiofauna feeder, feeding on polychaete worms (including a tube-worm) and at least one small shrimp-like crustacean (Ref. 75572).
Life cycle and mating behavior
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Compagno, L.J.V. and P.C. Heemstra, 2007. Electrolux addisoni, a new genus and species of electric ray from the east coast of South Africa (Rajiformes: Torpedinoidei: Narkidae), with a review of torpedinoid taxonomy. Smithiana Bull. (7):15-49. (Ref. 75572)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
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Age/Size
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Length-weight
Length-length
Length-frequencies
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BRUVS
Các tài liệu tham khảoNuôi trồng thủy sảnTổng quan nuôi trồng thủy sảnCác giốngDi truyềnElectrophoresesDi sảnCác bệnhChế biếnNutrientsMass conversion
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Estimates based on models
Preferred temperature (Ref.
123201): 23.7 - 24.1, mean 23.8 °C (based on 6 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0002 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Mức dinh dưỡng (Ref.
69278): 3.3 ±0.3 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (41 of 100).