Narke japonica, Japanese sleeper ray : fisheries

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Narke japonica (Temminck & Schlegel, 1850)

Japanese sleeper ray
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Narke japonica
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Classification / Names Nombres comunes | Sinónimos | Catalog of Fishes(Género, Especie) | ITIS | CoL | WoRMS | Cloffa

Elasmobranquios (tiburones y rayas) (sharks and rays) > Torpediniformes (Electric rays) > Narkidae (Sleeper rays)
Etymology: Narke: Greek, narke = numbness (Ref. 45335).  More on authors: Temminck & Schlegel.

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

; marino asociado a arrecife; rango de profundidad 100 - ? m (Ref. 114953).   Subtropical; 37°N - 20°N, 114°E - 139°E (Ref. 114953)

Distribución Países | Áreas FAO | Ecosistemas | Ocurrencias, apariciones | Point map | Introducciones | Faunafri

Northwest Pacific: southern Japan to the South China Sea near Hong Kong, including Taiwan.

Length at first maturity / Tamaño / Peso / Age

Maturity: Lm ?, range 35 - ? cm
Max length : 40.0 cm TL macho / no sexado; (Ref. 12951)

Biología     Glosario (por ej. epibenthic)

Occurs inshore and offshore (Ref. 9913, 11230). Found on sand, often near rocky reefs (Ref. 12951). Biology little known (Ref. 9913), but locally common in Taiwan and Japan (Ref. 114953). Produces 4-6 pups per litter. Maturity size of males known at 25 cm TL. Not utilized for food. Capable of producing a moderate shock to humans (Ref. 114953). Does not do well in aquariums (Ref. 12951).

Life cycle and mating behavior Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva

Ovoviviparous. Up to 5 in a litter (Ref. 12951).

Main reference Upload your references | Referencias | Coordinador : Carvalho, Marcelo | Colaboradores

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. 123251)

  Vulnerable, ver lista roja de la UICN (VU) (A2d+3d+4d); Date assessed: 01 January 2007

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Other (Ref. 10011)





Human uses

Pesquerías: escaso valor comercial
FAO - Publication: search | FishSource |

Más información

Nombres comunes
Sinónimos
Metabolismo
Despredadores
Ecotoxicología
Reproducción
Madurez
Puesta
Agregación para la puesta
Fecundidad
Huevos
Egg development
Age/Size
Crecimiento
Length-weight
Length-length
Length-frequencies
Morfometría
Morfología
Larva
Dinámica larvaria
Reclutamiento
Abundancia
BRUVS
Referencias
Acuicultura
Perfil de acuicultura
Razas
Genética
Frecuencias de alelos
heritabilidad
Enfermedades
Procesamiento
Nutrients
Mass conversion
Colaboradores
Imágenes
Stamps, Coins Misc.
Sonidos
Ciguatera
Velocidad
Tipo de natación
Superficie branquial
Otolitos
Cerebros
Visión

Herramientas

Special reports

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Fuentes de Internet

Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: Género, Especie | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Bases de datos nacionales | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Árbol de la vida | Wikipedia: Go, búsqueda | World Records Freshwater Fishing | Expediente Zoológico

Estimates based on models

Preferred temperature (Ref. 115969): 18.5 - 28.9, mean 26.8 °C (based on 559 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 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).
Nivel trófico (Ref. 69278):  3.5   ±0.37 se; based on food items.
Resiliencia (Ref. 120179):  Bajo, población duplicada en un tiempo mínimo de 4.5-14 años (Assuming fecundity<100).
Vulnerability (Ref. 59153):  Low vulnerability (21 of 100) .
Price category (Ref. 80766):   Unknown.