A tiny fish that averages only 2.5 inches in length derailed political careers, delayed construction of a massive dam and reservoir, caused a U.S. Supreme Court landmark case and prompted ...

Watch as a tiny pet snail uses a leaf to parasnail around its aquarium. While rarely seen, the activity is common for snails ...

“Dams and agriculture have wreaked havoc on riverside habitat in the Deschutes,” said Sharma. “These little snails are only going to face more challenges as climate change causes warmer water ...