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全世界有鲶类计25科、2100余种。分布地域广阔,资源十分丰富,其中有的种类已供人工养殖。国外养鲶盛行的国家有美国、泰国等。美国养鲶始于1920年,大规模养鲶是五十年代中期,迄至1970年,美国养鲶总产量为17252吨,主要养殖对象为北美鲶科(Ictauridae)的四个种,使用人工配方饵料。泰国养鲶也较发达,主要养殖对象为蟾胡子鲶(Clarias bat-
There are 25 families and 2,100 species of catfish in the world. Distribution of vast territory, the resources are very rich, some of which species have been for artificial breeding. Survival countries abroad catfish popular in the United States, Thailand and so on. American catfish began in 1920 and large-scale catfish was in the mid-1950s. As of 1970, the total catfish production in the United States was 17,252 tons. The main breeding object was four species of Ictauridae, using artificial formulas Food. Catfish is also more developed in Thailand, the main breeding object for the catfish (Clarias bat-