南美螺学名为大瓶螺，俗称苹果螺、福寿螺等，隶属软体动物门、腹足纲、瓶螺科、瓶螺属，其原产于亚马孙河流域，现遍布美洲、非洲和亚洲等热带地区。我国台湾 1979年从巴西开始引进试验，以后广东引入大陆试养，湖南桃江 90年代中开始试养，现已培育出适合稻田养殖的优良螺种 South American snails known as the large bottle snails, commonly known as apple snails, snails, etc., under the mollusks, Gastropoda, bottle snake Division, bottle snail, its native to the Amazon Basin, now throughout the Americas, Africa and Asia and other tropical regions . Since 1979, when Taiwan started its experiment in Brazil, it was introduced into the mainland for test-keeping in Guangdong. Since the beginning of the trial in the Taojiang River in the 1990s, an excellent species suitable for paddy farming has been cultivated