Lớp phụ Cá sụn (cá mập và cá đuối) (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..
Environment: milieu / climate zone / depth range / distribution range
Sinh thái học
Biển Tầng đáy biển sâu; Mức độ sâu 480 - ? m (Ref. 56493). Deep-water
Southwest Atlantic: Brazil.
Bộ gần gũi / Khối lượng (Trọng lượng) / Age
Maturity: Lm ? range ? - ? cm
Max length : 101 cm DL con đực/không giới tính; (Ref. 56493)
Short description
Khóa để định loại | Hình thái học | Sinh trắc học
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).
Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205). Minimum depth from Ref. 58018.
Life cycle and mating behavior
Maturities | Sự tái sinh sản | Spawnings | Egg(s) | Fecundities | Ấu trùng
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)
Threat to humans
Harmless
Human uses
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00282 (0.00133 - 0.00596), b=3.25 (3.08 - 3.42), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Mức dinh dưỡng (Ref.
69278): 3.9 ±0.6 se; based on size and trophs of closest relatives
Thích nghi nhanh (Ref.
120179): thấp, thời gian nhân đôi của chủng quần tối thiểu là 4.5 - 14 năm (Assuming fecundity<100).
Fishing Vulnerability (Ref.
59153): High to very high vulnerability (74 of 100).
