So now that I've had my angelfish for a while and doing some research on where they come from and what their natural habitat looks like I thought that it might be cool to do a semi-biotope tank. Meaning I just want the fish to come from the same habitat/region ect. I know that angels coexist with rummy nose tetras and cardinal tetras in the wild but I'm having difficulty finding any other fish that they live with besides those two. Can anyone help me out here?