Tokobushi
Abalone are marine snails., open spiral structure, and are characterized by several open respiratory pores in a row near the shell's outer edge. The thick inner layer of the shell is composed of nacre (mother-of-pearl), which in many species is highly iridescent,åÊ which make the shells attractive to humans as decorative objects, jewelry. The abalone is rich in protein, and more calcium, iron, iodine and vitamin A and other nutrients; Abalone high nutritional value.