Recent weather disasters in the southern United States are causing high mortality rates and low landings among shrimp fishermen in the Gulf of Mexico. In Louisiana, Mississippi River discharge was about 922,000 cubic feet per second in April, higher than recorded in the past six years.

This excess rainfall flushed out the small shrimp "so all of a sudden, the shrimp that were on the shrimping grounds were now too small to meet the legal criteria," said Dave Burrage, a professor of marine resources at Mississippi State University, according to a local news site.

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