Narcine atzi, Oman numbfish

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Narcine atzi Carvalho & Randall, 2003

Oman numbfish
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Image of Narcine atzi (Oman numbfish)
No image available for this species;
drawing shows typical species in Narcinidae.

Classificatie / Names Lokale namen | Synoniemen | Catalog of Fishes(Genus, Soort(en)) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (haaien en roggen) (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 Ecologie

marien demersaal; diepte ? - 27 m (Ref. 49866). Tropical; 25°N - 7°N, 58°E - 95°E (Ref. 114953)

Verspreiding Landen | FAO regio's | Ecosystemen | Voorkomen | Point map | Introducties | Faunafri

Western Indian Ocean: Gulf of Oman and from both sides of the Bay of Bengal and Andaman Sea.

Grootte / Gewicht / Leeftijd

Maturity: Lm ?  range ? - ? cm
Max length : 36.0 cm TL mannelijk / geslacht onbekend; (Ref. 49866)

Korte beschrijving Morfologie | Morfometrie

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).

Biologie     Verklarende woordenlijst (bv. epibenthic)

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).

Levenscyclus en paargedrag Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven

Hoofdreferentie Upload your references | Referenties | Coördinator : Carvalho, Marcelo | Medewerkers

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)

Status op de Rode Lijst van het IUCN (Ref. 130435)

  Kwetsbaar, zie IUCN Rode Lijst (VU) (A2d); Date assessed: 09 October 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

  Harmless





Gebruik door de mens

FAO - Publication: search | FishSource |

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Estimates based on models

Fylogenetische diversiteitsindex (Ref. 82804):  PD50 = 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).
Trofisch niveau (Ref. 69278):  3.1   ±0.3 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref. 120179):  laag, minimale populatieverdubbelingstijd 4,5-14 jaar (Assuming fecundity<100).
Fishing Vulnerability (Ref. 59153):  Low to moderate vulnerability (26 of 100).