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इलाज़मौबरांकी (शारक और रेज़) (sharks and rays) > Rajiformes (Skates and rays) > Arhynchobatidae (Softnose skates)
Etymology: Bathyraja: Greek, bathys = deep + Latin, raja, -ae = a ray (Raja sp) (Ref. 45335).
Eponymy: Dr Vladimir Diodorovich Tzinovskiy (d: 1946) is a researcher at the P P Shirshov Institute of Oceanology, Moscow (part of the Russian Academy of Sciences), and an Arctic oceanographer who collected the holotype. [...] (Ref. 128868), visit book page.

Environment: milieu / climate zone / गहराई सीमा / distribution range पारिस्थितिकी

समुद्री बेनथोपिलाजिक; गहराई सीमा 1766 - 2500 m (Ref. 50550). Deep-water

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Western Pacific.

आकार / वज़न / Age

परिपक्व अवधि: L_m ? range ? - ? cm
Max length : 69.0 cm TL (female)

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). Eggs have horn-like projections on the shell (Ref. 205).

Main reference Upload your references | संदर्भ | संयोजक : McEachran, John | सहयोगीयो

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. 130435: Version 2024-2)

Least Concern (LC) ; Date assessed: 29 August 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

मात्स्यिकी: कोई रुचि बग़ैर

FAO - Publication: search | FishSource |

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इंटरनेट स्रोत

Estimates based on models

Preferred temperature (संदर्भ 123201): 2 - 3.3, mean 2.3 °C (based on 49 cells).

Phylogenetic diversity index (संदर्भ 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00550 (0.00291 - 0.01038), b=3.13 (2.97 - 3.29), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).

Trophic level (संदर्भ 69278): 3.9 ±0.7 se; based on size and trophs of closest relatives

लौटाव (संदर्भ 120179): निम्न, न्यूनतम जनसंख्या दुगनी होने का समय 4.5 - 14 वर्ष। (Fec assumed to be <100).

Fishing Vulnerability (Ref. 59153): Moderate to high vulnerability (48 of 100). 🛈

Bathyraja tzinovskii Dolganov, 1983