Chinese Moccasin (Deinagkistrodon acutus), a striking semi-aquatic snake native to southern China and Southeast Asia, recognized for its distinctive dark grey to brown coloration and impressive size of up to 2.5 meters (8.2 feet). This nocturnal predator plays a vital role in its ecosystem, thriving in freshwater habitats and feeding on small mammals, amphibians, and fish, while facing conservation challenges due to habitat loss and pollution.