Cod - Known for its mild flavor and flaky texture, cod makes a classic choice for fried fish sandwiches.

Haddock - Similar to cod, haddock offers a mild flavor with a slightly sweeter taste and firm texture, ideal for frying.

Halibut - A premium option with a firm texture and sweet, delicate flavor that holds up well to frying.

Pollock - Often used as a substitute for cod, pollock has a mild flavor and flaky texture that fries up nicely.

Catfish - Popular in Southern cuisine, catfish has a slightly sweet flavor and tender texture when fried.

Tilapia - Mild and versatile, tilapia is easy to fry and works well in sandwiches with its firm texture.

Flounder - Delicate and flaky, flounder offers a mild flavor that complements frying and sandwich preparation.

Perch - Small and sweet-tasting, perch is flavorful when fried and makes a tasty option for sandwiches.