इलाज़मौबरांकी (शारक और रेज़) (sharks and rays) >
Rajiformes (Skates and rays) >
Rajidae (Skates)
Etymology: Dipturus: Greek, di = two + Greek, pteryx = fin (Ref. 45335).
More on author: Philippi.
Environment: milieu / climate zone / depth range / distribution range
पारिस्थितिकी
समुद्री ड़िमरसल. Subtropical; 32°S - 56°S, 73°W - 57°W
Southeast Pacific: known from the type locality, Bahia de Quinteros, Chile. Not in Compagno's 1999 checklist (Ref. 35766).
आकार / वज़न / Age
Maturity: Lm ? range ? - ? cm
Max length : 110 cm TL पुल्लिंग / अलिंग; (Ref. 126345); 120.0 cm TL (female); अधिकतम प्रकाशित वज़न: 8.5 kg (Ref. 126345); अधिकतम प्रकाशित वज़न: 8.5 kg
Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205).
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).
Eschmeyer, W.N. (ed.), 2003. Catalog of fishes. Updated database version of March 2003. Catalog databases as made available to FishBase in March 2003. (Ref. 46206)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
साधन
Special reports
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इंटरनेट स्रोत
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=0.00257 (0.00164 - 0.00402), b=3.24 (3.11 - 3.37), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.9 ±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। (Assuming fecundity<100).
Fishing Vulnerability (Ref.
59153): High to very high vulnerability (72 of 100).
