Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (Haie und Rochen) (sharks and rays) > Torpediniformes (Electric rays) > Narcinidae (Numbfishes)
Etymology: Narcine: Greek, narke = numbness (Ref. 45335).

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

seewasser demersal; tiefenbereich 20 - 70 m (Ref. 114953). Subtropical; 25°N - 3°N, 90°E - 123°E (Ref. 114953)

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Northwest Pacific: off northern China, Viet Nam,Taiwan possibly including Philippines and from the Gulf of Thailand (de Carvalho, pers. comm.), probably more widely distributed. Probably synonymous to Narcine maculata. Indian Ocean: Bay of Bengal.

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 32.0 cm TL Männchen/unbestimmt; (Ref. 114953)

A benthic species found offshore on inner continental shelf. Size usually smaller to 25 cm TL; birth size at ca. 8 cm TL (Ref. 114953).

Life cycle and mating behavior Maturities | Fortpflanzung | Spawnings | Egg(s) | Fecundities | Larven

Hauptreferenz Upload your references | Referenzen | Koordinator : Carvalho, Marcelo | Partner

de Carvalho, M.R., L.J.V. Compagno and P.R. Last, 1999. Narcinidae. Numbfishes. p. 1433-1442. In K.E. Carpenter and V.H. Niem (eds.) FAO species identification guide for fishery purposes. The living marine resources of the Western Central Pacific. Vol. 3. Batoid fishes, chimaeras and bony fishes. Part 1 (Elopidae to Linophrynidae). FAO, Rome. (Ref. 9912)

IUCN Rote Liste Status (Ref. 130435)

gefährdet, siehe IUCN Red List (VU) (A2d); Date assessed: 05 May 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Other (Ref. 10011)

Nutzung durch Menschen

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Estimates based on models

Phylogenetic diversity index (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).

Trophic level (Ref. 69278): 3.1 ±0.3 se; based on size and trophs of closest relatives

Widerstandsfähigkeit (Ref. 120179): niedrig, Verdopplung der Population dauert 4,5 - 14 Jahre. (Assuming fecundity<100).

Fishing Vulnerability (Ref. 59153): Low vulnerability (22 of 100).

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