Welcome! Sorry to start by questioning you, but why are you keeping a fish in a rubbermaid tub? That seems like a bit of sad life for a fish, and definitaly not the best way to view him. If its temporary, its fine. If its permanent, you seriously need to get something better, for the fish and yourself. Still, welcome! I hope you get as much use out of this forum as I have!
1: 75 gal.- one pleco., one Leporinus, 3 gold gouramis, 1 blue gourami, 3 rosy barbs, 4 cockatoo cichlids, one striped catfish, 2 hillstream loaches, and 2 angelfish
20 gal.- one pearl gourambi, 2 white cloud mountain minnows, one rainbow forktail, one dwarf pleco., one upside down catfish, 2 mickey mouse platties, one dalmation molly, one crystal shrimp., and two blue tiger shrimps.
6 gal.- one fancy crowntail betta, 3 t-bones, and 2 nean tetras.
5 gal.-one fancy crowntail betta, the rest to be decided!