分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Elasmobranchii
板鳃亚纲 (鲨鱼与 鱼) (sharks and rays) >
Myliobatiformes (Stingrays) >
Potamotrygonidae (River stingrays) > Potamotrygoninae
Etymology: Paratrygon: Greek, para in the side of + Greek, trygon = a sting ray (Ref. 45335); aiereba: Name from an old Tupi language referring to a specific type of marine stingray (possibly Styracura schmardae), which occurs on the coast of northeastern Brazil. As an adjective, the specific name also means smooth, unmarked, shallow..
More on authors: Müller & Henle.
Issue
See name spelling and authorship in Eschmeyer (CofF ver. Oct. 2012: Ref. 92135).
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 居于水底的. 熱帶
South America: Amazon River basin (Ucayali, Solimões, Amazon, Negro, Branco, Madeira and its affluents in Bolivia, and Tocantins River) and Orinoco basin.
南美洲: 亞馬遜河流域 (在玻利維亞的 Ucayali ， Solimoes ，亞馬遜河，尼格羅河， Branco, 馬得拉群島與它的支流, 與 Tocantins 河) 與奧里諾科河流域。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 80.0 cm WD 雄鱼/尚未辨别雌雄; (Ref. 36687); 78.0 cm WD (female); 最大体重: 14.0 kg (Ref. 27749); 最大体重: 14.0 kg
Common in shallow areas and near banks (Ref. 27749). Reproductive biology in upper Orinoco basin provided by Lasso et al. (1997a), where females appear to bear only two young per gestation. Larger individuals may attain 25 kg in weight. Food includes insects, crustaceans and fishes (Ref. 36687).
常见于水浅的区域与在浅堆的附近.(参考文献 27749) 在由 Lasso 等人提供的上面的奥里诺科河流域的生殖生物学特性。 (1997 一), 在哪里雌性似乎只有二个每妊娠幼鱼。 较大的个体可能达到 25 公斤重。 食物包括昆虫，甲壳动物和鱼类。 (参考文献 36687)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
南美洲: 亞馬遜河流域 (在玻利維亞的 Ucayali ， Solimoes ，亞馬遜河，尼格羅河， Branco, 馬得拉群島與它的支流, 與 Tocantins 河) 與奧里諾科河流域。
de Carvalho, M.R., N. Lovejoy and R.S. Rosa, 2003. Potamotrygonidae (River stingrays). p. 22-28. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 36687)
人类利用
工具
特别资料
下载 XML
网络资源
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [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).
营养阶层 (Ref.
69278): 3.4 ±0.54 se; based on food items.
回复力 (Ref.
120179): 非常低的, 最小族群倍增时间超过14 年 (Fec=2).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (43 of 100).
