Elasmobranchii (tubarões e raias) (sharks and rays) >
Torpediniformes (Electric rays) >
Narcinidae (Numbfishes)
Etymology: Narcine: Greek, narke = numbness (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Ecologia
marinhas demersal; intervalo de profundidade 10 - 35 m (Ref. 116153). Tropical
Southeast Pacific: Colombia and Ecuador.
Tamanho / Peso / Idade
Maturity: Lm ?  range ? - ? cm
Max length : 16.5 cm TL macho/indeterminado; (Ref. 116153); 33.0 cm TL (female); peso máx. Publicado: 54.90 g (Ref. 116153); peso máx. Publicado: 54.90 g
Collected from shallow and sandy bottom area. The 33 cm TL pregnant female has a total of 12 embryos with 2 females and 10 males, measuring between 6.2 and 6.8 cm TL (Ref. 116153). Males mature at ca. 18 cm TL (Ref. 114953).
Life cycle and mating behavior
Maturities | Reprodução | Spawnings | Egg(s) | Fecundities | Larvas
Eschmeyer, W.N. (ed.), 2003. Catalog of fishes. Updated database version of March 2003. Catalog databases as made available to FishBase in March 2003. (Ref. 46206)
Categoria na Lista Vermelha da IUCN (Ref. 130435)
Ameaça para o homem
Harmless
Utilização humana
Ferramentas
Relatórios especiais
Descarregue XML
Fontes da internet
Estimates based on models
Preferred temperature (Ref.
123201): 26.8 - 27.3, mean 27.1 °C (based on 12 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).
Nível Trófico (Ref.
69278): 3.1 ±0.3 se; based on size and trophs of closest relatives
Resiliência (Ref.
120179): Baixo, tempo mínimo de duplicação da população 4,5 - 14 anos (Assuming fecundity<100).
Fishing Vulnerability (Ref.
59153): Low vulnerability (23 of 100).