Several species share the common name "brown shrimp": Crangon crangon, a species found in the north-eastern Atlantic Ocean and North Sea Farfantepenaeus aztecus (formerly Penaeus aztecus), a species found in the north-western Atlantic Ocean and Gulf of Mexico Farfantepenaeus subtilis (formerly Penaeus subtilis), a species found in the south-western Atlantic Ocean as far north as Cuba Metapenaeus monoceros (formerly Penaeus monoceros), an Indo-Pacific species and Lessepsian migrant