well i did have all those in a 5.5 gal but i upgraded to a 10 im goin to keep like that but if they get to ill give back to the petstorewelcome to the forum, nice selection of fish although the angels will out grow the tank gourami might as might the sucker fish do you know what type they are? tiger barbs do better in groups so would also need a bigger home for this to be possible
wat whyeven if you get rid of the angel fish you still won't have space for more fish i'm afraid
1 of them are a dalmation mollie and the other is a longtailwhat type of molly? tiger barbs grow to around 2inch and a general guideline for stocking a tank is 1 inch of the adult size fish per gallon of water so them 2 take up 4