巴西鲷又名南美鲱鱼,属脂鲤目无齿脂鲤科,因其口较小,且在背鳍与尾鳍之间有一脂鳍,故学名为小口脂鲤。该鱼原产于南美洲,是巴西等国的一种主要淡水经济鱼类。鱼体侧扁,体型与鲤鱼、鲫鱼相似,体色银白色,为杂食性偏植物食性,生活在水体底层,耐低氧,属热带鱼,生存水温9℃～39℃,? Brazilian sea bream, also known as the South American herring, is a carp Lipida toothpaste carp, because of its smaller mouth, and in the dorsal fin and caudal fin between a fat fin, so the scientific name of small mouth carp. The fish is native to South America and is a major freshwater economic fish in countries such as Brazil. Fish body side flat, body and carp, crucian carp, body color silver white, omnivorous partial plant feeding, living in the bottom of the water, hypoxia resistance, is a tropical fish, living water temperature 9 ℃ ~ 39 ℃ ,?