What is Japanese takoyaki?

Takoyaki is a ball of squid, about 1-2 inches in diameter that is breaded and fried. (like calamari) Unlike most Japanese foods, (Besides sushi) Takoyaki is very good to most foreigners, versus say, natto (soybean pulp held together by a viscous, slimy fluid) or hijiki. (a type of edible seaweed) The Japanese usually eat takoyaki with a special sauce, or sometimes mayonnaise. They are popular as snack food.