Kohaku is a term that primarily refers to a type of koi, a colorful fish often kept in outdoor ponds and water gardens. The name "Kohaku" specifically describes a variety of koi that features a white body with red markings. This variety is highly prized in Japanese culture and is often associated with good fortune and prosperity. In addition to its significance in koi breeding, Kohaku can also refer to a traditional Japanese festival or event. These festivals often celebrate seasonal changes and involve various cultural activities, including music, dance, and food, reflecting the rich heritage of Japan.