Move over turkey, ham and roast beef. Americas deli cases and restaurants will never be the same again if the latest Chicken of the Sea product innovation catches on as expected: deli-style yellowfin tuna slices created for sandwiches, salads, wraps and more. Chicken of the Sea® Yellowfin Tuna Slices are the worlds first pre-sliced, pre-seasoned tuna slices made from whole yellowfin tuna loins.