Where can I find Canned fish in Büetigen?

Canned fish can also be found in these cities:

Bern Biberist Biel Bienne Bremgarten bei Bern Brugg Derendingen Gerlafingen Grenchen Gümligen Hinterkappelen Ipsach Ittigen Kerzers Kirchberg Langendorf Lyss Moutier Murten Münchenbuchsee Neuenstadt Nidau Ostermundigen Solothurn Tavannes Tramelan Utzenstorf Worb Zollikofen Zuchwil

You can also find this in Büetigen:

Desserts Dessert Baking Mixes Cake Glaze Peanut Butter Ice Cream Rice Dishes Vegetable Juices Instant Iced Coffee Cheese Roll