The FDA last month said that Chinese-farmed eel, dace, basa, catfish and shrimp must be tested after unacceptable levels of antibiotics and drugs banned in the United States were found in samples.
Country-of-origin labeling applies only to large grocery stores, The Christian Science Monitor said Wednesday.
Fisheries experts said more people may start ordering beef or chicken, reversing the trend of rising seafood consumption. The average person in the United States consumes 16.5 pounds of seafood per year, up from 14.8 pounds six years ago, the newspaper said.
Wenonah Hauter, executive director of the consumer advocacy group Food & Water Watch, told the Monitor that "most big seafood chains are almost entirely serving imported seafood."