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I'm kinda wanting to add more fish to my 55 gallon tank and I'm wanting to know some fish that might live happily with my current fish. I have 6 cherry barbs, 3 fruit tetras, 3 swordtails, and a male betta and a pelco. All of my current fish live peacefully together and no one has yet to nip fins. The betta has only been in this tank for a little while and I will move him if need be, but I would rather not.