Giant freshwater stingray | 台北市立動物園資訊網
Species of cartilaginous fish
This article is about the giant freshwater stingray from Asia. For the giant freshwater stingray from South America, see short-tailed river stingray.The giant freshwater stingray (Urogymnus polylepis, also widely known by the junior synonym Himantura chaophraya) is a species of stingray in the family Dasyatidae. It is found in large rivers and estuaries in Southeast Asia and Borneo, though historically it may have been more widely distributed in South and Southeast Asia. The largest freshwater fish and the largest stingray in the world, this species grows up to 2.2 m (7.2 ft) across and can reach up to 300 kg (660 lb) in weight. It has a relatively thin, oval pectoral fin disc that is widest anteriorly, and a sharply pointed snout with a protruding tip. Its tail is thin and whip-like, and lacks fin folds. This species is uniformly grayish brown above ...
Freshwater whipray | 台北市立動物園資訊網
Giant Freshwater Stingray | 台北市立動物園資訊網
Giant freshwater stingray | 台北市立動物園資訊網
Giant Freshwater Stingray | 台北市立動物園資訊網
Giant freshwater stingray | 台北市立動物園資訊網
Giant freshwater stingray | 台北市立動物園資訊網
Himantura chaophraya | 台北市立動物園資訊網
Mekong freshwater stingray | 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...