Duon is a Water-type Pokémon. It evolves into Darison starting at level 20, which evolves into Meduzoa when exposed to a Water Stone.
As DUON live in the deeper and darker areas of the ocean, they communicate by flashing brightly. Being very weak and fragile, they travel in huge packs for protection.
Almost every ocean route, mainly by fishing.
Bold indicates a move that will receive STAB when used by Duon.
Italic indicates a move that will receive STAB when used by an evolution of Duon.