Neon light bulbs work by transmitting electricity through neon gas to produce light. Neon tetras are not electric, so neon is not the culprit of the fishes shimmer. The colors that you see on a neon...
Pretty much all of them. They are a peaceful family of fish. The ones you need to watch out for are silver dollars (petsmart says 6, 10-18inches). Silver dollars are much bigger. You mainly just need...