Whose lake is known for having a giant freshwater pearl industry on its shores?

Lake Biwa, near Kyoto, is Japan’s largest freshwater lake. For generations it has supported fisheries, transportation, and local culture. The lake is also known for freshwater pearl cultivation in its broader region, especially historically. Biwa’s biodiversity is notable, with many native species and important wetland habitats. Its long relationship with surrounding communities makes it one of Japan’s most culturally significant lakes.