![Zazamushi](https://images.rove.me/w_1920,q_85/vzmhjrvwkeiiu3vtcjz9/japan-zazamushi.jpg)
© namhdyk
It is not so easy to get stonefly larvae from the Tenryu river. In order to harvest this snack, one has to be a licensed hunter which mostly takes place in winter.
The catch becomes a special delicacy boiled down with soy. It is also available canned if you fancy taking some home!