Fish4Ever White Tuna Steaks in Olive Oil 220g: Fish4Ever White Tuna Steaks in Olive Oil are jarred premium speciality sustainably-fished white tuna steaks in organic olive oil. 220g. Sustainably-fished white tuna steaks. Includes organic olive oil, Gluten, dairy & wheat free, Fish4Ever’s White Tuna Steaks are fished for in the South East Atlantic off the coast of Namibia by one local pole and line boats during the migration east of white tuna. They avoid illegal fishing and damaging methods with high by-catch. Ingredients: White tuna steaks (70%), cold pressed olive oil (29%)*, sea salt.