Ocellate river stingray | 台北市立動物園資訊網
Description:Ocellateriverstingrayshaveanovaldiscshapedbody.Theuppersurfaceisgrayish-brownwithyellow-orangespotstrimmedinblackandthe ...
Description: Ocellate river stingrays have an oval disc shaped body. The upper surface is grayish- brown with yellow-orange spots trimmed in black and the underside is white. The eyes are raised from the dorsal surface. The robust tail has a venomous spine at its tip that is capable of inflicting pain.
Size: These stingrays can reach a diameter of two feet (0.61 m).
Behavior: Ocellate river stingrays are potamodromous, meaning they migrate within freshwater rivers and streams for short periods of time. They bury themselves in the sandy sediment of rivers and streams.
Diet: At first, the young feed on plankton, but as they grow, they eat crustaceans, small mollusks and larvae of aquatic insects. As adults they eat mainly fish and crustaceans.
Senses: Their eyes, positioned on the dorsal surface of their head, gives them nearly a 360° field of vision. The...
5 Things I Learned about the Ocellate River Stingray ... | 台北市立動物園資訊網
A Severe Accident Caused by an Ocellate River Stingray ... | 台北市立動物園資訊網
Complete mitochondrial genome of the ocellate river stingray ... | 台北市立動物園資訊網
Ocellate River Stingray | 台北市立動物園資訊網
Ocellate river stingray | 台北市立動物園資訊網
Ocellate River Stingray | 台北市立動物園資訊網
Ocellate river stingray | 台北市立動物園資訊網
Potamotrygon motoro | 台北市立動物園資訊網
Potamotrygonidae | 台北市立動物園資訊網
The ocellate river stingray (Potamotrygon motoro) exploits ... | 台北市立動物園資訊網
【珍珠魟】:江魟科;
身體呈圓盤狀,背部色彩由褐色至淡褐色,上有圓形奶油狀的斑點散布,尾柄的棘刺為中空的構造,有分泌毒液的毒腺及儲藏毒液的...