chub mackerel(n = noun.animal) scomber japonicus, tinker - small mackerel found nearly worldwide;
is a kind of mackerel
is a member of genus scomber, scomber

bermuda chub, chub, common mackerel, horse mackerel, jack mackerel, king mackerel, mackerel, mackerel scad, mackerel shad, mackerel shark, mackerel sky, sea chub, smoked mackerel, snake mackerel, spanish mackerel