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龙鱼.大型淡水鱼.早在远古炭纪时就已经存在。1829年.美国鱼类学家温带理博士在南美亚马逊流域发现了这种下颌具须.体型侧扁的鱼类.并命名为Vandell。1933年法国鱼类学家卑鲁告蓝博士在越南西贡又发现红色龙鱼。1966年,法国鱼类学家布蓝和多巴顿在金边又发现了龙鱼的另外一个品种。之后又有一些国家的专家学者相继在越南、
Arowana. Large freshwater fish. As early as the ancient carbon era already exists. In 1829, the United States of America ichthyologist Dr. Wennei found in the South American Amazon basin of this mandible with a body size of the side flat fish and named Vandell. In 1933, the French fishologist Dr. Peyroulan discovered red arowana again in Saigon, Vietnam. In 1966, another French species of Arowana was discovered by the French fish experts BuLu and Dobatton in Phnom Penh. Then there are some countries of experts and scholars have been in Vietnam,