Other fishes than mentioned that are way easy and colorful are guppies and platys , they are shoaling fishes , reproduce well and is difficult to get them killed by a beginner ' s accident . In adition I would say snails Melanoides tuberculata , Planorbarius corneus , Physella acuta . and Neocaridina davidi shrimp are great and fairly easy to keep . If you are short of money or simply prefer to make things by yourself you can search for The King of DIY in youtube , there are a lot of ideas you can borrow . Welcome to the hobby . <| sep |> From what I understand , GNI captures per capita income . It is the per capita income of a country ' s nationals after all . Anyway , I ' m surprised you ignored most of what I wrote . Do you want to give it another try ? I really don ' t have the patience to repeat everything I wrote .