fish compatibility

I have guppies, panda cories, otocinclus, plecos, chili rasboras, and neos. I was wondering if I could add odessa barbs to a somewhat planted community 55 gallon tank? Thanks

I have a 43 gallon fish tank and want to add some extra fish. I need to know if the following fish are compatible (note: I have three Guppies in the tank now) 1-2 Angelfish (I'm aware they will eat guppies and neons, but what if I get them when they are young?) 1-2 German Blue Rams 1-2 Pearl...

So because I am now restocking my 38gal brackish tank, I decided this time to ask you guys about fish compatibility so I don't make anymore mistakes. I currently have two black mollies and three knight gobies in the tank. But I plan to restock so that my stock will be six black mollies and ten...