据悉,目前棠张镇观赏鱼养殖已由原来的一家发展到多家,由几十亩发展到几i百亩。主养品种有虎皮鱼、地图鱼、罗汉鱼、龙眼鱼、蝶尾等,在技术上采用先进的人工催产、流水孵化技术及大棚温室循环水养殖技术等,养殖效 It is reported that Tang Zhangzhang aquarium ornamental fish has been developed from a number of the original to several dozens of acres by the development of a few acres. The main cultivated species are tiger skin fish, map fish, arhats, longan fish, butterfly tail and so on, which are technically advanced artificial induced labor, water hatching technology and greenhouses recycled water culture technology in greenhouse