They are very strong fish & can be seen swimming slowly under thick sheets of ice in lakes during the brutal Winter of northern China. In Mandarin "fish" is pronounced "Yu" the same pronunciation as "wealth" or "abundance." Many believe having a painting of fish in your home will bring you wealth.
Wagashi from Kyoto Uji made with gyuhi soft rice cake dough. The unique shape represents kimono in "The Tale of Genji". As five colors showed through the thin kimono fabric, this wagashi represents this colorful costume of the Heian period.