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Narcine insolita Carvalho, Seret and Compagno, 2002
Life   Vertebrata   Fish   Narcinidae   Narcine

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http://www.fishbase.org/Summary/speciesSummary.php?genusname=Narcine&speciesname=insolita ---> http://192.134.151.83/Summary/speciesSummary.php?genusname=Narcine&speciesname=insolita
http://192.134.151.83/Summary/speciesSummary.php?genusname=Narcine&speciesname=insolita ---> https://fishbase.mnhn.fr/Summary/speciesSummary.php?genusname=Narcine&speciesname=insolita
https://fishbase.mnhn.fr/Summary/speciesSummary.php?genusname=Narcine&speciesname=insolita ---> https://fishbase.mnhn.fr/summary/Narcine-insolita.html
Narcine insolita, Madagascar numbfish
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Common name (e.g. trout)

Genus + Species (e.g. Gadus morhua)

Narcine insolita Carvalho , Séret & Compagno , 2002

Madagascar numbfish Upload your photos  and  videos
Google image Image of Narcine insolita (Madagascar numbfish) No image available for this species;
drawing shows typical species in Narcinidae.

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

Elasmobranchii (sharks and rays) > Torpediniformes (Electric rays) > Narcinidae (Numbfishes)
Etymology: Narcine: Greek, narke = numbness (Ref. 45335 ) ;   insolita: Name from Latin 'insolitus' meaning unusual or uncommon; referring to the unusual and unique disparate dimensions of the dorsal fins, treated as an adjective (feminine). .

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

Marine; demersal; depth range 150 - 175 m (Ref. 93929 ). Tropical; 15°S - 25°S, 42°E - 45°E (Ref. 114953 )

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

Western Indian Ocean: Madagascar.

Length at first maturity / Size / Weight / Age

Maturity: L m   ?   range ? - 35.6 cm
Max length : 35.6 cm TL (female)

Short description Morphology | Morphometrics

Vertebrae : 119 - 127. This species is distinguished from all its congeners by the following characters: unique presence of a very large and prominent first dorsal fin that is conspicuously taller, larger and with a longer base than the second dorsal fin; large spiracles, conspicuously rounded, not projecting anteriorly lateral to eyes, and with elevated rims all around; interspiracular distance much smaller than interorbital distance; small, broadly rounded lateral cusplets adjacent to principal cusp on teeth of more concealed inner rows; upper and lower tooth bands equal in width and broadly circular in outline; dorsal colouration composed of a yellowish brown background with darker brown to reddish brown irregular blotches on disc margins, posterior disc and anterior margin of snout; darker brown blotches on anterior portion of dorsal and caudal fins, at caudal apex, and laterally on tail at level of dorsal fins; precaudal vertebrae 68-71; total vertebrae 119-127 (Ref. 93929 ).

Biology     Glossary (e.g. epibenthic)

Usually found over predominantly muddy substrata (Ref. 93929 ). Maturity size of males at ca. 27 cm TL; birth size at ca. 14 cm TL (Ref. 114953 ).

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

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

de Carvalho, M.R., B. Séret and L.J.V. Compagno , 2002. A new species of electric ray of the genus Narcine Henle, 1834 from the South-western Indian Ocean (Chondrichthyes: Torpediniformes: Narcinidae). S. Afr. J. mar. Sci. 24:135-149. (Ref. 93929 )

IUCN Red List Status (Ref. 130435 )

  Data deficient (DD)  ; Date assessed: 24 April 2018

CITES

Not Evaluated

CMS (Ref. 116361 )

Not Evaluated

Threat to humans

  Harmless





Human uses

FAO - Publication: search | FishSource |

More information

Countries
FAO areas
Ecosystems
Occurrences
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Ecology
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Common names
Synonyms
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Predators
Ecotoxicology
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Fecundity
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Egg development
Age/Size
Growth
Length-weight
Length-length
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Morphometrics
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Tools

E-book | Field guide | Length-frequency wizard | Life-history tool | Point map | Classification Tree | Catch-MSY |

Special reports

Check for Aquarium maintenance | Check for Species Fact Sheets | Check for Aquaculture Fact Sheets

Download XML

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 | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go , Search | World Records Freshwater Fishing | Zoobank | Zoological Record

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 ). Trophic level (Ref. 69278 ):  3.1   ±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 to moderate vulnerability (26 of 100).

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Updated: 2024-06-16 07:23:25 gmt
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