巴西鲷(Prochilodus scrofa),学名小口脂鲤，又名南美鲱鱼，隶属无齿脂鲤科原唇齿鱼属，原产于南美洲的巴西、巴拉圭、阿根廷等国的湖泊、河湾、水库中，是巴西的主要淡水经济鱼类之一。我国于1996年3月从巴西引进，1998年6月繁殖成功，并在我国许多地区开始养殖[1～3]。巴西鲷 Prochilodus scrofa, the scientific name of small mouth carp, also known as the South American herring, under the toothless carp Cyprinidae genus, native to South America in Brazil, Paraguay, Argentina and other countries lakes, rivers and reservoirs, It is one of Brazil’s main freshwater economy fish. My country was introduced from Brazil in March 1996 and succeeded in breeding in June 1998 and started breeding in many areas of our country [1-3]. Brazilian snapper