Only in Ultra Sun & Ultra Moon
NPC Trade: Route 5
SOS Encounter: Verdant Cavern
Walk: Verdant Cavern (30%)
Its base catch rate is 190 out of 255 (higher is easier); the catch rate calculator works out your odds with each ball. For the look, the best colour match is Dream Ball, Heal Ball or Master Ball.
Evolution: Noibat → Noivern (Level 48).
Noibat in every game · Pokémon Sun, Moon, Ultra Sun & Ultra Moon interactive map (Alola)