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Elasmobranchii (haaien en roggen) (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.

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

marien demersaal. Subtropical; 31°N - 7°N, 103°E - 123°E (Ref. 114953)

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Northwest Pacific: Shanghai, China to Cambodia.

Grootte / Gewicht / Leeftijd

Maturity: L_m ? range ? - 32 cm
Max length : 32.0 cm WD mannelijk / geslacht onbekend; (Ref. 114953)

A poorly known species; attains at least 32 cm DW, mature at this size (Ref. 114953). Ovoviviparous (Ref. 50449).

Levenscyclus en paargedrag Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven

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).

Hoofdreferentie Upload your references | Referenties | Coördinator : McEachran, John | Medewerkers

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)

Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2024-1)

Kwetsbaar, zie IUCN Rode Lijst (VU) (A2d); Date assessed: 29 April 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

Harmless

Gebruik door de mens

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Estimates based on models

Fylogenetische diversiteitsindex (Ref. 82804): PD₅₀ = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00468 (0.00195 - 0.01123), b=3.12 (2.92 - 3.32), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trofisch niveau (Ref. 69278): 3.7 ±0.5 se; based on size and trophs of closest relatives

Weerstandsvermogen (Ref. 120179): laag, minimale populatieverdubbelingstijd 4,5-14 jaar (Assuming fecundity<100).

Fishing Vulnerability (Ref. 59153): Very high vulnerability (90 of 100).

Hemitrygon navarrae (Steindachner, 1892)