Classification / Names
आम नाम | उपशब्द | Catalog of Fishes(वर्ग, प्रजाति) | ITIS | CoL | WoRMS | Cloffa
इलाज़मौबरांकी (शारक और रेज़) (sharks and rays) >
Rajiformes (Skates and rays) >
Arhynchobatidae (Softnose skates)
Etymology: Notoraja: Greek, noton = back + Latin, raja = fish, Raja sp. (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
पारिस्थितिकी
समुद्री बाथीड़िमरसल; गहराई सीमा 1064 - 1624 m (Ref. 123885). Tropical
Southeastern Indian Ocean: Broken and East Indiaman ridges.
आकार / वज़न / Age
Maturity: Lm ? range ? - ? cm
Max length : 65.7 cm TL पुल्लिंग / अलिंग; (Ref. 123885)
Short description
पहचान कुंजी | आकृति विज्ञान | मौरफोमैटरिक्स
This species possess the following characters: adults with four orbital thorns per side; distinctly smaller dorsolateral tail thorns, median tail thorns up to 60; lateral tail folds in posterior half of tail only; snout length 4.4-5.2 times orbit diameter; upper jaw tooth rows 34-40; pectoral-fin radials 63-66. Colouration: adults are blackish-gray dorsally and darker blackish-brown with white ampular pores ventrally, but paler violet-brown in juveniles (Ref. 123885).
Life cycle and mating behavior
Maturities | पुनरुत्पत्ति | Spawnings | Egg(s) | Fecundities | लार्वा
Dolganov, V.N., 2020. Notoraja yurii sp. n. (Arhynchobatidae: Rajoidei), a new skate species from the Thalassobathyal Zone of the Indian Ocean. Biologiya Morya (Vladivostok) 46(1):60-64. (Ref. 123903)
IUCN Red List Status (Ref. 130435)
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 = No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].
Trophic level (Ref.
69278): 3.8 ±0.7 se; based on size and trophs of closest relatives
लौटाव (Ref.
120179): निम्न, न्यूनतम जनसंख्या दुगनी होने का समय 4.5 - 14 वर्ष। (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (46 of 100).
