Among the 30 or so fish that are called mackerel there are the so-called “true mackerels” like the Atlantic mackerel (scomber scombrus), Spanish mackerels like king mackerel (Scomberomorus cavalla), and many unrelated fish with mackerel like characteristics. Mackerel are smaller and slimmer than tuna but have similar streamlined bodies, forked tails, silver or white bellies... Continue Reading →