This can be made with canned or fresh fish.

1 pound (16 ounces) canned tuna or salmon or any fresh fish (tuna, salmon, whitefish)
½ onion, finely grated
2 eggs
1 tablespoon potato starch
½ teaspoon salt
1/8 teaspoon pepper
Oil for frying

Combine all ingredients until very well mixed.  Form into patties and fry in hot oil until crisp, about 3 to 5 minutes per side.  Can be served warm, at room temperature or even cold.  Can be served with ketchup or tartar sauce.

Tartar Sauce:

½ cup mayonnaise
½ pickle, finely chopped
2 teaspoons dill
½ teaspoon granulated onion

Mix ingredients well and refrigerate.