I think your right John, it must be a Tatsu.
Translation: dragon
Alternate names: ryū, ryō, wani; known by many specific individual names
Habitat: rivers, waterfalls, mountains, lakes, seas, and palaces deep in the ocean
Diet: capable of eating anything
Appearance: Tatsu, Japanese dragons, are similar in appearance to the dragons of China and the rest of the world. They have long, scaled bodies, serpentine tails, sharp teeth and claws, and often have horns, antlers, spines, and beards.
Notice the three claws, long nose and beady eyes match the ones on the Jingasa.