Ranchu goldfish

The ranchu goldfish is a rare pond fish in the introduced in. It also appears in as an event fish that was available during Fishing Tourney: Elegant Aquarium in August 2020 and Fishing Tourney: Foliage in September 2021.

In
The ranchu goldfish can be found in the tank immediately to the right of the entrance to the fish section of the museum sharing the tank with Guppy.

Real-world information
The Ranchu, (Japanese: Katakana: ランチュウ; Kanji: 蘭鋳, 蘭虫 or 卵虫, literally "Dutch worm") is a hooded variety of fancy goldfish developed in Japan. It is referred to as the "king of goldfish" by the Japanese.

The modern-day ranchu is a Japanese development of the lionhead. They are the direct outcome of crossbreeding experiments of different Chinese lionhead specimens.