Hey people how's it going,I have a 5 gallon tank set up and running I'm going to give to my nephew and need help on picking simple hardy fish that can be in a 5g other than a single betta or ghost shrimp. It will be his first tank as I hope it will spark imagination of natural things rather than artificial ps4 brainwash. All experienced ideas welcome. I will be putting g 2 or 3 small fake plants and a fake little canyon as well as a holy rock from my cichlid tank right in the center so the fish have a visual block but it won't consume much volume as it is hollow and provides enclosed. Thanks ahead.