Cole's Mackerel Wild Mackerel in Olive Oil. All natural. No preservatives or additives. High in omega 3. Skinless, boneless wild mackerel. Olive oil. Harvested using traditional line and hook fishing method from the coastal waters of Portugal, this delicious ocean fish is skinned, deboned and cooked with high quality olive oil for maximum taste and freshness. Product of Portugal wild caught. www.colestrout.com.