Elasmobranquios (tiburones y rayas) (sharks and rays) >
Torpediniformes (Electric rays) >
Narkidae (Sleeper rays)
Etymology: Heteronarce: Greek, heteros = other + Greek, narke = numbness (Ref. 45335).
More on authors: Baranes & Randall.
Environment: milieu / climate zone / depth range / distribution range
Ecología
marino demersal; rango de profundidad ? - 160 m (Ref. 26282). Tropical; 28°N - 13°N, 34°E - 54°E (Ref. 114953)
Western Indian Ocean: Red Sea (Gulf of Aqaba) and Gulf of Aden.
Tamaño / Peso / Age
Maturity: Lm ?  range ? - ? cm
Max length : 17.6 cm NG macho / no sexado; (Ref. 28618)
A benthic species found on outer continental shelf. Presumably feeds on soft bottom invertebrates such as polychaetes and crustaceans. Males reaches maturity at ca. 15 cm TL. Material rare; specimens from Gulf of Aden and Red Sea slightly differ (Ref. 114953).
Life cycle and mating behavior
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
Compagno, L.J.V., 1999. Checklist of living elasmobranchs. p. 471-498. In W.C. Hamlett (ed.) Sharks, skates, and rays: the biology of elasmobranch fishes. Johns Hopkins University Press, Maryland. (Ref. 35766)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Más información
Age/SizeCrecimientoLength-weightLength-lengthLength-frequenciesMorfometríaMorfologíaLarvaDinámica larvariaReclutamientoAbundanciaBRUVS
ReferenciasAcuiculturaPerfil de acuiculturaRazasGenéticaElectrophoresesheritabilidadEnfermedadesProcesamientoNutrientsMass conversion
ColaboradoresImágenesStamps, Coins Misc.SonidosCiguateraVelocidadTipo de nataciónSuperficie branquialOtolitosCerebrosVisión
Herramientas
Special reports
Download XML
Fuentes de Internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5627 [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): 3.2 ±0.3 se; based on size and trophs of closest relatives
Resiliencia (Ref.
120179): Bajo, población duplicada en un tiempo mínimo de 4.5-14 años (Assuming fecundity<100).
Fishing Vulnerability (Ref.
59153): Low vulnerability (15 of 100).