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Narke dipterygia (Bloch and Schneider, 1801)
SPOTTAIL SLEEPER RAY
Life   Vertebrata   Fish   Narcinidae   Narke


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http://www.fishbase.org/Summary/speciesSummary.php?genusname=Narke&speciesname=dipterygia ---> http://192.134.151.83/Summary/speciesSummary.php?genusname=Narke&speciesname=dipterygia
http://192.134.151.83/Summary/speciesSummary.php?genusname=Narke&speciesname=dipterygia ---> https://fishbase.mnhn.fr/Summary/speciesSummary.php?genusname=Narke&speciesname=dipterygia
https://fishbase.mnhn.fr/Summary/speciesSummary.php?genusname=Narke&speciesname=dipterygia ---> https://fishbase.mnhn.fr/summary/Narke-dipterygia.html
Narke dipterygia, Numbray : fisheries
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Common name (e.g. trout)

Genus + Species (e.g. Gadus morhua)

Narke dipterygia ( Bloch & Schneider , 1801 )

Numbray Add your observation in Fish Watcher
Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Narke dipterygia   AquaMaps   Data sources: GBIF OBIS
Upload your photos  and  videos
Pictures | Google image Image of Narke dipterygia (Numbray) Narke dipterygia
Picture by Devarapalli, P.

Classification / Names Common names | Synonyms | Catalog of Fishes( genus , species ) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (sharks and rays) > Torpediniformes (Electric rays) > Narkidae (Sleeper rays)
Etymology: Narke: Greek, narke = numbness (Ref. 45335 ) .
More on authors: Bloch & Schneider .

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; demersal; depth range 100 - ? m (Ref. 114953 ). Tropical; 42°N - 0°N, 55°E - 143°E (Ref. 114953 )

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Indo-West Pacific; Oman (Arabian Sea) to north-east Asia (China and Japan).

Size / Weight / Age

Maturity: L m   ?   range ? - ? cm
Max length : 18.0 cm TL male/unsexed; (Ref. 9913 ); common length : 20.0 cm TL male/unsexed; (Ref. 114953 )

Biology     Glossary (e.g. epibenthic)

Found in continental waters, both inshore and offshore (Ref. 9913 ). Mainly feeds on crustaceans and polychaetes (Ref. 114953 ). Biology little known (Ref. 9913 ) but reported to produce 4-6 young each gestation (Ref. 114953 ). Adult males and females known at 15 cm TL; common size reported to reach 35 cm TL (Ref. 114953 ). The electric organs present on disc are used to stun the prey.

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator : Carvalho, Marcelo | Collaborators

Compagno, L.J.V. and P.R. Last , 1999. Narkidae. Sleeper rays. p. 1443-1446. In K.E. Carpenter and V.H. Niem (eds.) FAO identification guide for fishery purposes. The living marine resources of the Western Central Pacific. FAO, Rome. (Ref. 9913 )

IUCN Red List Status (Ref. 130435 )

  Vulnerable (VU)  (A2d); Date assessed: 02 November 2020

CITES

Not Evaluated

CMS (Ref. 116361 )

Not Evaluated

Threat to humans

Other (Ref. 10011 )





Human uses

Fisheries: minor commercial FAO - Publication: search | FishSource |

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Summary page | Point data | Common names | Photos

Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes : genus , species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome , nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | National databases | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go , Search | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Preferred temperature (Ref. 123201 ): 19 - 28.2, mean 26.4 °C (based on 992 cells). Phylogenetic diversity index (Ref. 82804 ):  PD 50 = 0.6252   [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 (Ref. 69278 ):  3.2   ±0.3 se; based on size and trophs of closest relatives Resilience (Ref. 120179 ):  Low, minimum population doubling time 4.5 - 14 years (Assuming fecundity<100). Fishing Vulnerability (Ref. 59153 ):  Low vulnerability (10 of 100). Price category (Ref. 80766 ):   Unknown .

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Updated: 2024-05-30 07:49:14 gmt
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