Its common name is white spot, they appear all over the body as little white spots, its is very contagious and will kill your fish if not treated immediately. go to your local fish shop they should stock the liquid for your fish.
ich is a small parasite that only comes from the fish if stressed they have several stages in their life cycle and need to be treated through the whole cycle which takes 14 days the only time that treatment has any affect is at their free swimming stage which is their last stage of life if they don't find a host within 48 hours they die look at the fish if it looks like its been sprinkled with salt shaker its ich any treatment is good if used for whole cycle
