Wild-Caught Grey Mackerel Quarters (Fillets) Skin-On (Frozen) 700gTry our Grey Mackerel that is fresh from the Northern Territory waters! Our Grey Mackerel comes directly from the fishermen. They are filleted and snap frozen once they are caught. It has beautiful off white oily flesh. Cooking Grey Mackerel is a breeze it's one of the easiest fish to prepare. They are perfect for frying as the skin is extremely tasty and crispy. They are so versatile and excellent also eating baked, broiled, steamed, smoked or