Narrator: This is the most expensive fish in Japan. In January 2018, a kilogram of these baby eels cost around $35,000. That's more than bluefin tuna, and almost as much as the price of gold at ...

Because there was no need to cut it into small pieces, it looked no different from regular unagi served to customers. Amazed, the couple decided on the spot to serve “unaju” (grilled eel on ...