Ogonori is a type of sea moss that is found in the warm water along the coasts of Japan, Southeast Asia, and Hawaii. A common name that is alternatively used for this sea vegetable is Gracilaria. These days this particular sea moss is also cultivated in Brazil, Italy, Sri Lanka, Malaysia, Philippines. In raw form, it can be consumed once it is cold. It is one of the root vegetables that is very much low in calorie count. There is a fair amount of starch available in it. It is a kind of healthy food source that has a high glycemic index.