FusionDex

Manuna use their prehensile tails to suspend themselves from tree branches, hanging in place whilst they wait to evolve. They grow irritable if another Pokémon climbs the same tree as them, angrily swinging their body into the source of their ire.

It remains virtually immobile while it clings to a tree. When it starts shaking and its nasal breathing turns rough, it's a sure sign of anger.