أشلاق (القروش و الشفانين) (sharks and rays) >
Rajiformes (Skates and rays) >
Anacanthobatidae (Smooth skates)
Etymology: Anacanthobatis: Greek, ana = up + Greek, akantha = thorn + Greek, batis, -idos = a ray (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري قاعية المعيشة; نطاق العمق 200 - 1000 m (Ref. 41248). Deep-water
Western Pacific: East China Sea.
الحجم / وزن / العمر
Maturity: Lm ?  range ? - ? cm
Max length : 44.0 cm TL ذكر/ مختلط الجنس; (Ref. 41248)
Disc about as long as broad. End of snout with a short prolongation. Tail brownish dorsally, pale ventrally with a series of small blackish spots laterally; slender; width at the axis of pelvic fins 0.6-0.7 times as great as eye diameter; length from the middle of cloaca to its tip 0.8-1.2 times the distance from the middle of cloaca to the base of terminal prolongation of the snout. Closely resembles S. melanosoma differing in having the maximum width of disc at posterior 2/5, maximum anterior angle in front spiracles about 84-91° (Ref. 41248).
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | 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: Version 2024-2)
استخدامات بشرية
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6250 [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 (34 of 100).