Common names from other countries
ইলাসমোব্রাঙ্কি (হাঙ্গর এবং রে) (sharks and rays) >
Torpediniformes (Electric rays) >
Narcinidae (Numbfishes)
Etymology: Narcine: Greek, narke = numbness (Ref. 45335); atzi: Named in honor of Dr. James W. Atz, Curator Emeritus of the Department of Ichthyology, of the AMNH, in recognition of his many contributions to different aspects of ichthyology (Ref. 49866).
More on authors: Carvalho & Randall.
Environment: milieu / climate zone / depth range / distribution range
বাস্তুসংস্থান
সামুদ্রিক তলদেশ বিহারী; গভীরতার পরিসীমা ? - 27 m (Ref. 49866). Tropical; 25°N - 7°N, 58°E - 95°E (Ref. 114953)
Western Indian Ocean: Gulf of Oman and from both sides of the Bay of Bengal and Andaman Sea.
আকৃতি / ওজন / Age
Maturity: Lm ?  range ? - ? cm
Max length : 36.0 cm TL পুরুষ/ লিঙ্গ অনিধর্ারিত ; (Ref. 49866)
Short description
সনাক্তকারী নির্দেশক | বহিঃ অঙ্গ সংস্থান | মরফোমেট্রিক্স
Dorsal coloration composed of numerous small dark brown spots, equal to or smaller than eye diameter, oval disc and tail regions and within spiracular walls, coupled with faint large blotches, fewer in number, on dorsal disc area; first dorsal fin clearly taller, and with a longer base, than second dorsal fin; preorbital snout length not as great as preoral snout length; upper and lower tooth bands subequal in width and broadly circular in shape (Ref. 49866).
A benthic species in shallow coastal waters (Ref. 114953). Minimum depth from Ref. 58018. Maturity size for females at ca. 31 cm TL; birth size at ca. 11 cm TL (Ref. 114953).
Life cycle and mating behavior
Maturities | প্রজনন | Spawnings | Egg(s) | Fecundities | শুককীট
de Carvalho, M.R. and J.E. Randall, 2003. Numbfishes from the Arabian Sea and surrounding gulfs, with the description of a new species from Oman (Chondrichthyes: Torpediniformes: Narcinidae). Ichthyol. Res. 50(1):59-66. (Ref. 49866)
IUCN Red List Status (Ref. 130435)
CITES (Ref. 128078)
Not Evaluated
Threat to humans
Harmless
Human uses
হাতিয়ার
Special reports
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ইন্টারনেট সুত্র
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=0.01175 (0.00476 - 0.02897), b=2.88 (2.66 - 3.10), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
ট্রফিক পর্যায়ে (Ref.
69278): 3.1 ±0.3 se; based on size and trophs of closest relatives
স্থিতিস্থাপক (Ref.
120179): নিম্ন/ , সর্বনিম্ন প্রজন দ্বিগুনের সময় ৪.৪-১৪ বৎসর (Assuming fecundity<100).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (26 of 100).