أشلاق (القروش و الشفانين) (sharks and rays) >
Rajiformes (Skates and rays) >
Rajidae (Skates)
Etymology: Dipturus: Greek, di = two + Greek, pteryx = fin (Ref. 45335); apricus: Name from Latin 'apricus' meaning exposed to the sun, in cryptic reference to its common name.
More on authors: Last, White & Pogonoski.
Environment: milieu / climate zone / نطاق العمق / distribution range
البيئة
بحري القاع; نطاق العمق 196 - 606 m (Ref. 75649), usually 300 - 500 m (Ref. 75649). Deep-water; 14°S - 21°S, 145°E - 153°E (Ref. 114953)
Western Central Pacific: off Queensland, Australia.
الحجم / وزن / العمر
النضج: Lm ? range ? - ? cm
Max length : 65.9 cm TL ذكر/ مختلط الجنس; (Ref. 75649); 76.5 cm TL (female)
Inhabits outer continental shelf and upper slope. Probably feeds on small bony fishes (Ref. 114953). Observed lengths of adolescent males between ca. 47.0 (tail tip damaged) and 64.4 cm TL, smallest juvenile 15.0 cm TL (Ref. 75649) to 17 cm TL (Ref. 114953).
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
Last, P.R., W.T. White and J.J. Pogonoski, 2008. New skates of the genus Dipturus (Rajoidei: Rajidae) from Australian Seas. pp. 9-52. In Last, P.R., W.T. White, J.J. Pogonoski and D.C. Gledhill (eds.): Descriptions of new Australian skates (Batoidea: Rajoidei) pg. 9-51. CSIRO marine and atmospheric reseach paper no. 021. (Ref. 75649)
IUCN Red List Status (Ref. 130435: Version 2025-1)
استخدامات بشرية
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Preferred temperature (مرجع
123201): 9.3 - 17.3, mean 13.3 °C (based on 41 cells).
Phylogenetic diversity index (مرجع
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00282 (0.00131 - 0.00604), b=3.25 (3.08 - 3.42), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
مستوى غذائي (مرجع
69278): 3.8 ±0.6 se; based on size and trophs of closest relatives
المرونه (مرجع
120179): منخفض, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 4.5-14 سنة (Preliminary low fecundity).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (51 of 100).
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