أشلاق (القروش و الشفانين) (sharks and rays) >
Torpediniformes (Electric rays) >
Narcinidae (Numbfishes)
Etymology: Diplobatis: Greek, diploos = twice + Greek, batis, -idos = a ray (Raja sp) (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري القاع; نطاق العمق 30 - 185 m (Ref. 114953). Tropical; 13°N - 10°N, 73°W - 69°W (Ref. 114953)
Western Central Atlantic: Trinidad to eastern Colombia, most common off Venezuela. Not in Compagno's 1999 checklist (Ref. 35766).
الحجم / وزن / العمر
Maturity: Lm ?  range ? - ? cm
Max length : 20.0 cm TL ذكر/ مختلط الجنس; (Ref. 114953)
A benthic species on continental shelf. Biology unknown. Size known only from few specimens (Ref. 114953).
Life cycle and mating behavior
Maturities | التكاثر | Spawnings | Egg(s) | Fecundities | Larvae
Eschmeyer, W.N. (ed.), 1998. Catalog of fishes. Special Publication, California Academy of Sciences, San Francisco. 3 vols. 2905 p. (Ref. 26282)
IUCN Red List Status (Ref. 130435)
استخدامات بشرية
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01175 (0.00476 - 0.02897), b=2.88 (2.66 - 3.10), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
مستوى غذائي (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
المرونه (Ref.
120179): منخفض, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 4.5-14 سنة (Assuming fecundity<100).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).