Peprilus simillimus is a ray-finned fish in the family Stromateidae (butterfishes) of the order Scombriformes.

Peprilus simillimus is a saltwater fish.

It prefers a subtropical climate and lives mainly in the Pacific Ocean.

The depth spread is 9 to 91 meters below the surface of the water.

Peprilus simillimus is of considerable commercial importance for fishing.