“NAGOYA CASTLE” one of the Great Historical site at Nagoya in JAPAN
The great feature of this castle is the imaginary sea animal “Shachihoko” installed in the roof.
The best-known items associated with the Nagoya Castle are the golden dolphins, or kinshachi. It is said that the first dolphins (shachi) to adorn the main ridge of castle roofs, added when the basic construction of the castle was completed, appeared in the Muromachi Era (1334-1400) as symbol of the feudal lord’s authority.
Nagoya Castle Official Website