A medium-sized amphibian species native to East Asian regions, characterized by distinctive black macular patterns on its dorsal surface. Endemic to temperate and subtropical aquatic ecosystems.
Freshwater environments including ponds, marshes, streams, and rice paddies across China, Japan, Korea, and Russian Far East. Prefers vegetated water bodies with moderate temperature ranges between 10-25°C.
Critical component of wetland ecosystems, serving as both predator and prey. Controls insect populations and acts as bioindicator for environmental water quality and ecosystem health.
