For plants: amazon swords will work, hornwort will grow like crazy, water wisteria will grow like crazy, I've had water wisteria and hornwort grow in the 50's. Another good plant to test out is Eurasian water milfoil, may be illegal check first
+1 on the pothos. Works wonders. But if you want natural, leave it![]()
I let black beard algae grow in my gar tank because I like the way it looks.
Are you looking for native plants as well? If not, I have some recommendations.
A Texas cichlid would be cool in that.