i need some help finding compatible tank mates for a 55 gallon tank i have 3 tiger barbs ,5 green barbs, 2 cherry barbs and 2 albino tiger barbs along w/ a cory cat and pleco if anyone out there can help me please do so :-/ i'm thinking of adding about 20 ghost shrimp after about a month or so when ever i move the pleco is that a good idea