أشلاق (القروش و الشفانين) (sharks and rays) >
Rajiformes (Skates and rays) >
Rajidae (Skates)
Etymology:
Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري القاع. Subtropical
Northwest Pacific: China.
الحجم / وزن / العمر
Maturity: Lm ?  range ? - ? cm
Life cycle and mating behavior
Maturities | التكاثر | Spawnings | Egg(s) | Fecundities | Larvae
Eschmeyer, W.N. (ed.), 2008. Catalog of fishes. Updated database Internet version of April 2008. Catalog databases of CAS cited in FishBase (website). (Ref. 75581)
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 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00302 (0.00141 - 0.00645), b=3.24 (3.07 - 3.41), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
مستوى غذائي (Ref.
69278): 4.0 ±0.6 se; based on size and trophs of closest relatives
المرونه (Ref.
120179): منخفض, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 4.5-14 سنة (Preliminary low fecundity).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (37 of 100).