I have a Ticto Barb in a 30gal tank with a Pinapple Swordtail, A dwarf Gourami, a Neon Gourami, a Green Tiger Barb, and an Angel fish. The Ticto torments the other fish so that even the Green Tiger Barb hides from it. Does anyone know a way to calm him down, or do I need to isolate him?