No Bake Tuna Noodle Casserole Midwest

1   6-to 8-oz. fresh or frozen ahi tuna steak, cut 1-inch ...

4   8-ounce fresh or frozen yellow fin tuna steaks ...

1   cup prepared tuna salad 4   sli ...

1/2   cup mayonnaise or salad dressing 3 ...

1   6-1/8-ounce can solid white tuna,* drained and broken ...

2   cups dried 3-color-mix (rainbow) fusilli or rotini pas ...