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: Potamotrygon: Greek, potamos = river + Greek, trygon = a sting ray (Ref. 45335).
More on authors: Müller & Henle.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性; pH range: 5.0 - 6.0; dH range: 10 - ?; 河川洄游 (Ref. 51243). 熱帶; 24°C - 26°C (Ref. 2060)
South America: Uruguay, Paraná-Paraguay, Orinoco, and Amazon River basins.
南美洲: 烏拉圭, Parana-巴拉圭，奧里諾科河與亞馬遜河流域。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 50.0 cm WD 雄鱼/尚未辨别雌雄; (Ref. 36687); 最大体重: 34.2 kg (Ref. 85107)
Found in freshwater rivers. It is an extremely dangerous species. Maximum length reported in Axelrod et al., 1991 (Ref. 6398) is 100 cm TL.
发现于淡水的河了。 它是一个非常危险的种。 最大的长度在 Axelrod 等人报告。,1991(参考文献 6398) 是 100 公分TL。
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
16 pups were born by one female in captivity (Ref. 57489).南美洲: 烏拉圭, Parana-巴拉圭，奧里諾科河與亞馬遜河流域。
Ortega, H. and R.P. Vari, 1986. Annotated checklist of the freshwater fishes of Peru. Smithson. Contrib. Zool. (437):1-25. (Ref. 6329)
人类利用
渔业: 低经济; 水族馆: 公众的水族馆
更多信息
参考文献养殖养殖信息品种遗传学Electrophoreses遗传率疾病加工NutrientsMass conversion
合作者照片Stamps, Coins Misc.声音神经毒速度泳型鳃区Otoliths脑重体重比眼睛色素
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特别资料
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [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): 3.2 ±0.4 se; based on size and trophs of closest relatives
回复力 (Ref.
120179): 低的, 最小族群倍增时间4.5 - 14 年 (Fec=16).
Fishing Vulnerability (Ref.
59153): High vulnerability (58 of 100).
