Some recipes call for force cooking right until the bones and heads turn out to be delicate and safe to eat. Making use of fillets like salmon or tuna fillets will drastically lessen cooking time. Atlantic and Pacific mackerel have minimal mercury levels and therefore are safer for normal usage. https://atlanticmackerelfish41350.digitollblog.com/31551134/considerations-to-know-about-mackerel-north-atlantic