Farfantepenaeus aztecus is a species of marine penaeid shrimps found around the east coast of the US and Mexico.

[2] This species has now been confirmed to occur in the Mediterranean, probably introduced in ship's ballast water, where it seems to be spreading and may threaten stocks of the native Melicertus kerathurus .

[4] In the southern coast of Sicily (central Mediterranean Sea), the species appears well established.

[7] "P. aztecus" was later treated as a full species, and when he erected the subgenus Farfantepenaeus, Rudolf Burukovsky included "P. aztecus" among the species included in that subgenus.

[8] Farfantepenaeus was later raised to the rank of genus by Isabel Pérez Farfante and Brian Kensley, giving the species its current name of Farfantepenaeus aztecus.