Environment: milieu / climate zone / गहराई सीमा / distribution range
पारिस्थितिकी
समुद्री बाथीड़िमरसल; गहराई सीमा 425 - 472 m (Ref. 28767). Deep-water; 30°N - 18°N, 98°W - 81°W
Western Central Atlantic: Gulf of Mexico.
आकार / वज़न / Age
परिपक्व अवधि: Lm ? range ? - ? cm
Max length : 40.0 cm TL पुल्लिंग / अलिंग; (Ref. 6902)
Short description
पहचान कुंजी | आकृति विज्ञान | मौरफोमैटरिक्स
Leaf-like expansion of snout. Skin naked. Pelvic fins are leg like. No dorsal fins. Upper surface ash gray, lower surface pale grayish white, outer posterior belt of pectorals sooty gray, snout narrowly and irregularly edged with black, tail sooty at base (Ref. 6902).
Body shape (shape guide): other.
Life cycle and mating behavior
परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | Fecundity | लार्वा
Distinct pairing with embrace (Ref. 205).
Last, P.R., S. Weigmann and L. Yang, 2016. Changes to the nomenclature of the skates (Chondrichthyes: Rajiformes). In: Last and Yearsley (eds.). Rays of the World: Supplementary Information. CSIRO Special Publication. 11-34. (Ref. 118749)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
मात्स्यिकी: bycatch
साधन
Special reports
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इंटरनेट स्रोत
Estimates based on models
Preferred temperature (संदर्भ
123201): 8.6 - 12.8, mean 10 °C (based on 7 cells).
Phylogenetic diversity index (संदर्भ
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trophic level (संदर्भ
69278): 3.7 ±0.6 se; based on size and trophs of closest relatives
लौटाव (संदर्भ
120179): निम्न, न्यूनतम जनसंख्या दुगनी होने का समय 4.5 - 14 वर्ष। (Assuming fecundity<100).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (30 of 100).
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