Life … Animals Chordates Ray-finned Fishes Mackerels, Tunas, Butterfishes, and Allies Scombroidei Snake Mackerels family Snake Mackerels Gempylidae Field notes Children Gempylus Promethichthys Escolars Most observed native snake mackerels All Native to the US, by observations. Snake Mackerel Gempylus serpens 18 observations Close