淡水白鲳原产于南美州亚马逊河,是一种热带和亚热带鱼类。广东于1985年引进养殖,养殖一年体重一般为400～500克,二年体重为1500克左右,成熟年龄至少要三年。形态特征体型侧扁与海洋生长的鲳鱼相似,头部小,头长与头高相当,尾浅分叉。体银灰色,背鳍红色,尾鳍边缘带黑色(图1),做鱼种时体表有星斑(图 Freshwater pomfret is native to the Amazon River in South America and is a tropical and subtropical fish. Guangdong introduced farmed in 1985, the annual breeding stock is generally 400 to 500 grams, two years weighing about 1500 grams, mature at least three years. Morphological characteristics Side flat and marine growth of anchovy similar to the small head, head length and height of the head, shallow tail forked. Body silver, dorsal fin red, caudal fin with black edge (Figure 1), do fish when the body surface star map (Figure