The State Water Resources Control Board adopted rules Tuesday to protect people and wildlife consuming fish from freshwater streams, lakes and rivers in California that contain mercury – a potent neurotoxin. The new regulations would protect Californians that rely on fish as a source of food such as Native Americans and other non-tribal subsistence fishers, according to Water Board officials. “Fish like salmon, bass, sturgeon and other popular fish like trout are sought after as a key food source by California Native American tribes, and other groups that depend on fish for sustenance,” said State Water Board Chair Felicia Marcus.