Hormone-like Contaminants Block Trout’s Ability to Sense Predators
There has been significant success in decreasing the levels of chemical contaminants in our nation’s water ways in recent years, thanks to the Clean Air and Water Acts passed by Congress. However, low levels of many contaminants (such as metals, pesticides, and synthetic molecules like PCBs) persist in many rivers and streams, home to salmon and related trout species.
