斑点叉尾(?),又名斑真(?)、美洲鲶、美国(?)、沟鲶等,属于鲶形目,(?)科。原产于美洲,1984年引入我国。它们外形有些像鲶鱼,身体前部较粗,后部稍细长,体表光滑无鳞,有触须4对。头比鲶鱼小,尾鳍分叉。 斑点叉尾(?)容易养,对生长环境没有过高要求,适应水温0-38℃,吃人工配制的饲料,能在自然环境下繁殖,有适应集约化和高密 Channel catfish (?), Also known as spotted (?), American catfish, the United States (?), Catfish and other channels, belong to the order of the catfish, (?) Branch. Native to the Americas, introduced to China in 1984. Some of their appearance like catfish, the front of the body thicker, slightly slender back, smooth body without scale, 4 pairs of tentacles. Head smaller than catfish, caudal fin forks. Channel catfish (?) Easy to raise, the growth environment is not too high to adapt to the water temperature 0-38 ℃, eat artificial feed, can breed in the natural environment, to adapt to intensive and high density