The fish lobby points out that the USGS findings do not necessarily damn the commercial fish industry, as most of the fish people eat comes from the ocean and not from freshwater streams.

• 为鱼辩护者指出，美国地质调查局不必迁怒到商品鱼业，因为人们所吃的鱼多是产自海里，而不是来自淡水河。