Nibble fish

The Nibble Fish (ドクターフィッシュ, Dokutā fisshu) is a fish that was first introduced in. They can be found between 9 AM and 4 PM in the river from May to September.

In
After a nibble fish is donated, a sign in the museum will display information about this fish.

In
When donated, the nibble fish is displayed in the small freshwater fish tank in the fish exhibit with the Betta.

Real-world information
Commonly known as doctor fish, Garra rufa are used in some methods of spa treatment, and have even been known to alleviate symptoms of psoriasis.