Half of fish tested in an river have unsafe levels of mercury

Study: Eating fish from Indian River Lagoon linked to high mercury

Mercury concentration in riverines. Comparison of the total Hg

Thermometers and Fish: What’s the Mercury Reading?

Know there's a “silent killer?”

Mercury regulation in the United States - Wikipedia

State Tries to Grapple with Mercury

Detoxing the Fish of Our Lakes and Rivers

Study finds dangerous mercury levels in fish

Toxic 'forever chemicals' flow freely through Cape Fear River—and

Study: Freshwater fish more contaminated than saltwater fish

Low and declining mercury in Arctic Russian rivers

Should You Avoid Fish Because of Mercury?

How concerned should I be about mercury in fish? - Quora