As we enter midsummer in the Northern hemisphere, chances are you're going out for sushi more than in the winter since it's relatively light on the stomach. But summer heat also means you need to be a bit more careful about food safety. While sushi does not just mean raw fish, a lot of it is raw; plus, sashimi does involve slices of raw fish So, how safe is it to give raw fish sushi an sashimi to small children? At what age should you start? This is what Japanese sources recommend.