Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien demersaal. Subtropical; 40°N - 20°N, 108°E - 130°E (Ref. 114953)
Northwest Pacific: China to South Korea, including the Yellow Sea.
Grootte / Gewicht / Leeftijd
Maturity: Lm ? range ? - ? cm
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).
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)
Gevaar voor de mens
Harmless
Gebruik door de mens
Tools
Speciale rapporten
Download XML
Internetbronnen
Estimates based on models
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 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).
