Honshu - Shikoku - Kyushu

Ecozone:Palearctic
Biome:Temperate Coastal Rivers
Countries:Japan
Area:73,141,488 acres (29,599,310 hectares)
Species:All  Endangered  Invasive
Ecoregions provided by World Wide Fund For Nature (WWF). WildFinder: Online database of species distributions, ver. 01.06 Wildfinder Database