In other parts of the world, catfish support huge fisheries-both wild capture fisheries and aquaculture.
在世界上的其他地方,鲶鱼同时支撑着野生捕捉业和水产业两个巨型鱼类捕捞业。
Catfish farmers in the U.S. imported Asian carp decades ago to eat up the algae in their ponds; the fish slowly escaped into the wild and have been making their way up the Mississippi River.
美国的鲶鱼养殖户几十年前引进了亚洲鲤鱼用来消灭池塘中的藻类,一部分亚洲鲤鱼逃到野外并游向密西西比河。
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