43% of Giant Freshwater Species Now Roam Far from Native Waters
Researchers revealed a profound human footprint on the planet’s rivers, lakes, and wetlands. Large freshwater animals, weighing more than 30 kilograms at maturity, have spread dramatically beyond their original habitats through deliberate introductions. A comprehensive study documented this trend across 142 countries and regions, highlighting both the allure of economic opportunities and the lurking ecological ...












