Classification / Names
आम नाम | उपशब्द | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
इलाज़मौबरांकी (शारक और रेज़) (sharks and rays) >
Rajiformes (Skates and rays) >
Rajidae (Skates)
Etymology: Dipturus: Greek, di = two + Greek, pteryx = fin (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
पारिस्थितिकी
; समुद्री बाथीड़िमरसल; गहराई सीमा 475 - 1080 m (Ref. 114953). Deep-water; 24°N - 29°N, 97°W - 78°W (Ref. 114953)
Western Central Atlantic: apparently restricted to the Gulf of Mexico, including eastern Florida (Ref. 114953).
आकार / वज़न / Age
Maturity: Lm ?  range ? - ? cm
Max length : 144 cm TL पुल्लिंग / अलिंग; (Ref. 114953)
Found on upper and mid-continental slope (Ref. 114953). Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205). Biology little known. Males reaches maturity by ca. 107cm TL (Ref. 114953).
Life cycle and mating behavior
परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | Fecundity | लार्वा
Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449). Eggs have horn-like projections on the shell (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. 123251)
CITES (Ref. 118484)
Not Evaluated
Threat to humans
Harmless
Human uses
अधिक जानकारी
Age/Size
बाढ़
Length-weight
Length-length
Length-frequencies
मौरफोमैटरिक्स
आकृति विज्ञान
लार्वा
लारवल गतिकी
भर्ती
बहुतायत
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सहयोगीयोतस्वीरेStamps, Coins Misc.ध्वनिसिगुयटिरारफ्तारतैरने के प्रकारगिल क्षेत्रOtolithsदिमागदृष्टि
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इंटरनेट स्रोत
Estimates based on models
Preferred temperature (Ref.
115969): 9.4 - 12.5, mean 10.5 °C (based on 10 cells).
Phylogenetic diversity index (Ref.
82805): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00316 (0.00147 - 0.00681), b=3.22 (3.04 - 3.40), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 4.0 ±0.6 se; based on size and trophs of closest relatives
लौटाव (Ref.
120179): निम्न, न्यूनतम जनसंख्या दुगनी होने का समय 4.5 - 14 वर्ष। (Fec assumed to be <100).
Vulnerability (Ref.
59153): High to very high vulnerability (74 of 100) .