Bigtooth river stingray | 水產百科網
ThebigtoothriverstingrayorTocantinsRiverray(Potamotrygonhenlei)isaspeciesoffreshwaterfishinthefamilyPotamotrygonidae.Itisendemictothelower ...
Species of cartilaginous fish
The bigtooth river stingray or Tocantins River ray (Potamotrygon henlei) is a species of freshwater fish in the family Potamotrygonidae.[2] It is endemic to the lower Tocantins basin and Araguaia basin in Brazil,[3] and prefers muddy bottoms.[1] It is sometimes kept in aquaria.[1] This stingray is generally common and its population increased after the Tucuruí Dam was completed, unlike many other species in its range.[1]
Appearance and relatives[edit]P. henlei reaches up to 71 cm (2.33 ft) in disc width and 104.2 cm (3.42 ft) in total length.[1] It is replaced by the closely related P. rex in the mid and upper Tocantins basin, but that species has concentrically clustered yellow-orange spots.[3] Two other close relatives where the spots are yellowish-...
Bigtooth river stingray | 水產百科網
Potamotrygon henlei ERSS | 水產百科網
Potamotrygon henlei | 水產百科網
Potamotrygon henlei | 水產百科網
江魟屬 | 水產百科網
【滿天星黑白魟Potamotrygon henlei】河魟科
水產分類:台灣常見的大陸水產品圖說中文名稱:滿天星黑白魟學名:Potamotrygonhenlei科別名稱:河魟科命名學者:(Castelnau1855)