http://io9.com/how-to-walk-on-water-1120861771
This video gives an account of all the different ways insects (mostly) can use their low body weight, number of legs and in some case chemicals to walk on water. There are 1 million insect species and only about 0.1% can walk on water. Likely most can stand on water. This is dictated by the size of the insect (or other creature) aptly called the Jesus number.