أشلاق (القروش و الشفانين) (sharks and rays) >
Rajiformes (Skates and rays) >
Rajidae (Skates)
Etymology: Dipturus: Greek, di = two + Greek, pteryx = fin (Ref. 45335); diehli: Named for Fernando Luiz Diehl, in recognization for his work and dedication to oceanography in Brazil.
Eponymy: Professor Fernando Luiz Diehl (d: 1959) is a Brazilian oceanographer. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / نطاق العمق / distribution range
البيئة
بحري قاعية المعيشة; نطاق العمق 480 - ? m (Ref. 56493). Deep-water
Southwest Atlantic: Brazil.
الحجم / وزن / العمر
النضج: Lm ? range ? - ? cm
Max length : 101 cm DL ذكر/ مختلط الجنس; (Ref. 56493)
وصف مختصر
مفاتيح التعريف | الوصف الخارجي | قياسات المظهر الخارجي
Diagnosis: One median thorn row on disc with 27 thorns; 5 thorn rows on tail, the median row with 32 intercalated small/great thorns extending from caudal base to first dorsal fin; 8 nuchal thorns; 17 orbital, 9 spiracular, and 4 scapular thorns each side, with dorsal and ventral surfaces rough (Ref. 56493).
Body shape (shape guide): other.
Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205). Minimum depth from Ref. 58018.
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449).
Soto, J.M.R. and M.M. Mincarone, 2001. Dipturus diehli sp. nov., a new species of skate (Chondrichthyes, Rajidae) from southern Brazil. Mare Magnum 1(1):3-6. (Ref. 56493)
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
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): 3.9 ±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 (Assuming fecundity<100).
Fishing Vulnerability (Ref.
59153): High to very high vulnerability (74 of 100).
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