Barbs and gold... is it safe?

[baconscrewcamels]

I have a few gold fish and a plecostomus (sucker fish). Will it be safe to add any of the following:

1. Tiger barb
2. Albino tiger barb
3. Green tiger barb
4. Rosy barb
5. The other type of barb

plz answer asap before they get me...