Peaberries (also known as longberries or caracol) are small, round beans formed when only one seed, rather than the usual two, develops at the heart of the coffee fruit. Peaberry beans are often separated from normal beans and sold as a distinct grade of a given coffee. They are especially popular in the Japanese market and can fetch very high prices. Typically, but not always, they produce a brighter, more acidy, but lighter-bodied cup than normal beans from the same crop.