分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Elasmobranchii
板鰓亞綱 (鯊魚與魟魚) (sharks and rays) >
Myliobatiformes (Stingrays)
鰩目 (Stingrays) >
Dasyatidae (Stingrays)
土魟科 (Stingrays) > Dasyatinae
Etymology: Telatrygon: Name from Latin 'telum' for javelin, spear, arrow, dart and Greek 'trygon' for stingray; referring to the long, narrowly pointed snout possessed by all members of the genus.; acutirostra: Name from Latin 'acuti' for acute and 'rostra' for snout (Ref. 35022).
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 居於水底的; 深度上下限 53 - 142 m (Ref. 58018). 亞熱帶的
Northwest Pacific: off the coast of southern Japan and the East China Sea (Ref. 7445). Range extension reported from the Gulf of Guayaquil, Ecuador (Ref. 74597).
西北太平洋: 外海的日本南部的海岸與東中國海。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 10.6 cm WD 雄魚/尚未辨別雌雄; (Ref. 35022)
Ovoviviparous (Ref. 50449).
卵胎生的.(參考文獻 50449)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
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).西北太平洋: 外海的日本南部的海岸與東中國海。
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)
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Estimates based on models
Preferred temperature (Ref.
123201): 14.5 - 23.2, mean 17.9 °C (based on 60 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00646 (0.00265 - 0.01571), b=3.06 (2.86 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.9 ±0.6 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 低的, 最小族群倍增時間4.5 - 14 年 (Assuming fecundity<100).
Fishing Vulnerability (Ref.
59153): Very high vulnerability (90 of 100).
