Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري قاعية المعيشة; نطاق العمق 800 - 1100 m (Ref. 47737). Deep-water
Western Pacific: South China Sea and Taiwan.
الحجم / وزن / العمر
Maturity: Lm ? range ? - ? cm
Max length : 39.9 cm TL ذكر/ مختلط الجنس; (Ref. 47737)
Disc thin. Snout broad and long with rostral filament. Eye small and remote from snout. Pelvic anterior lobe leg-like and completely separate from posterior lobe. Pelvic posterior lobe fused with tail. Tail slender.
Life cycle and mating behavior
Maturities | التكاثر | Spawnings | Egg(s) | Fecundities | Larvae
Distinct pairing with embrace (Ref. 205).
McEachran, J.D. and K.A. Dunn, 1998. Phylogenetic analysis of skates, a morphologically conservative clade of elasmobranchs (Chondrichthyes: Rajidae). Copeia 1998(2):271-290. (Ref. 27314)
IUCN Red List Status (Ref. 130435)
استخدامات بشرية
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Preferred temperature (Ref.
123201): 4.2 - 6.3, mean 5 °C (based on 132 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5020 [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).
مستوى غذائي (Ref.
69278): 3.7 ±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 (Assuming fecundity<100).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (30 of 100).
