Common names from other countries
Élasmobranches (requins et raies) (sharks and rays) >
Torpediniformes (Electric rays) >
Narcinidae (Numbfishes)
Etymology: Narcine: Greek, narke = numbness (Ref. 45335).
More on author: Shaw.
Environment: milieu / climate zone / depth range / distribution range
Écologie
marin démersal; profondeur 30 - 80 m (Ref. 9912). Tropical; 27°N - 0°N, 78°E - 124°E (Ref. 114953)
Indo–West Pacific; Sri Lanka to south-west China (Hong Kong, Taiwan), and the Philippines.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 40.0 cm TL mâle / non sexé; (Ref. 114953)
Occurs in inshore continental waters (Ref. 9912). Biology little known (Ref. 9912). Size usually smaller to 35 cm TL. Males reaches maturity smaller than 28 cm TL; born at ca. 13 cm TL (Ref. 114953). Used in Chinese medicine (Ref. 12166).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
CITES (Ref. 128078)
Not Evaluated
Menace pour l'homme
Harmless
Utilisations par l'homme
Plus d'informations
PaysZones FAOÉcosystèmesOccurrencesIntroductionsStocksÉcologieRégime alimentaireÉléments du régime alimentaireConsommation alimentaireRation
Noms communsSynonymesMétabolismePrédateursÉcotoxicologieReproductionMaturitéFraiFéconditéŒufsDéveloppement de l'œuf
RéférencesAquacultureProfil d'aquacultureSouchesGénétiqueElectrophoresesHéritabilitéPathologiesTraitementMass conversion
CollaborateursImagesStamps, Coins Misc.SonsCiguateraVitesseType de nageSurface branchialeOtolithesCerveauxVision
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Sources Internet
Estimates based on models
Preferred temperature (Ref.
115969): 23.5 - 28.4, mean 27.5 (based on 277 cells).
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).
Niveau trophique (Ref.
69278): 3.1 ±0.3 se; based on size and trophs of closest relatives
Résilience (Ref.
120179): Faible, temps minimum de doublement de population : 4,5 à 14 années (Assuming fecundity<100).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (30 of 100).