Where to find Barboach in Sun, Moon, Ultra Sun & Ultra Moon

SOS Encounter: Paniola Town, Poni Gauntlet, Poni Meadow + 2 more
Super Rod: Poni Gauntlet (40%), Poni Meadow (40%), Vast Poni Canyon (40%) + 2 more
Surf: Paniola Town (60%), Seaward Cave (60%), Poni Gauntlet (40%) + 2 more
+ 1 more way

Barboach also appears in

How to get Barboach in Sun, Moon, Ultra Sun & Ultra Moon

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 Dive Ball, Net Ball or Moon Ball.

Evolution: Barboach → Whiscash (Level 30).

Barboach in every game · Pokémon Sun, Moon, Ultra Sun & Ultra Moon interactive map (Alola)