Elasmobranquios (tiburones y rayas) (sharks and rays) >
Myliobatiformes (Stingrays) >
Dasyatidae (Stingrays) > Dasyatinae
Eponymy: Bruno R Navarra (1850–1911) was a scholar, variously described as a French traveller and German soldier, who was an expert on Chinese history and culture including music. [...] (Ref. 128868), visit book page.
More on author: Steindachner.
Entorno: milieu / zona climática / rango de profundidad / gama de distribución
Ecología
marino demersal. Subtropical; 31°N - 7°N, 103°E - 123°E (Ref. 114953)
Northwest Pacific: Shanghai, China to Cambodia.
Tamaño / Peso / Edad
Madurez: Lm ?  range ? - 32 cm
Max length : 32.0 cm WD macho / no sexado; (Ref. 114953)
A poorly known species; attains at least 32 cm DW, mature at this size (Ref. 114953). Ovoviviparous (Ref. 50449).
Ciclo vital y comportamiento de apareamiento
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
Exhibit ovoviparity (aplacental viviparity), with embryos feeding initially on yolk, then receiving additional nourishment from the mother by indirect absorption of uterine fluid enriched with mucus, fat or protein through specialised structures (Ref. 50449). Distinct pairing with embrace (Ref. 205).
Nishida, K. and K. Nakaya, 1990. Taxonomy of the genus Dasyatis (Elasmobranchia, Dasyatidae) from the North Pacific. In: Pratt Jr., H. L., S. H. Gruber and T. Taniuchi (eds.): Elasmobranchs as living resources: advances in the biology, ecology, systematics, and the status of the fisheries. NOAA (National Oceanic and Atmospheric Administration) Tech. Rept. NMFS 90:327-346. (Ref. 7445)
Situación en la Lista Roja de la UICN (Ref. 130435: Version 2025-2 (Global))
Amenaza para el ser humano
Harmless
Usos humanos
Herramientas
Informes especiales
Descargar XML
Fuentes de Internet
Estimaciones basadas en modelos
Índice de diversidad filogenética (Referencia 82804) |
PD50 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00447 (0.00189 - 0.01053), b=3.12 (2.92 - 3.32), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Nivel trófico (Referencia 69278) |
3.7 ±0.5 se; based on size and trophs of closest relatives |
Resiliencia (Referencia 120179) |
Bajo, población duplicada en un tiempo mínimo de 4.5-14 años (Assuming fecundity<100). |
Vulnerabilidad pesquera (Ref. 59153) |
Very high vulnerability (90 of 100). 🛈 |