How do you store bonito flakes in the fridge?

Excuse me, could you please clarify how one might properly store bonito flakes in the fridge? Are there any specific temperature settings or containers that should be used? Is it essential to keep them in an airtight container to maintain freshness? Additionally, how long can one expect the bonito flakes to remain edible when stored in this manner? Lastly, are there any potential hazards or considerations to keep in mind when storing them in the fridge?