Northern brown shrimp
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''Farfantepenaeus aztecus'' is a species of marine
penaeid shrimp Penaeidae is a family of marine crustaceans in the suborder Dendrobranchiata, which are often referred to as penaeid shrimp or penaeid prawns. The Penaeidae contain many species of economic importance, such as the tiger prawn, whiteleg shrimp, ...
s found around the east coast of the US and Mexico. They are an important commercial species in the US. The
FAO The Food and Agriculture Organization of the United Nations (FAO)french: link=no, Organisation des Nations unies pour l'alimentation et l'agriculture; it, Organizzazione delle Nazioni Unite per l'Alimentazione e l'Agricoltura is an intern ...
refers to them as the northern brown shrimp; other common names, used in the US, are ''brown shrimp'', ''golden shrimp'', ''red shrimp'' or ''redtail shrimp''.Brown shrimp
''NOAA FishWatch''. Retrieved 4 November 2012.


Distribution

''Farfantepenaeus aztecus'' are found along the US Atlantic coast from Massachusetts to Texas, and along the Atlantic coast of Mexico from Tamaulipas to Campeche. They live at depths of , with highest densities at , on muddy, peat, sandy or clay bottoms, or amongst broken shells. Juveniles are found in marine or estuarine waters, while adults are marine. 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 ''. In the southern coast of Sicily (central Mediterranean Sea), the species appears well established.


Description

Females reach a total length of and males .


Fishery

In the United States, of ''F. aztecus'' were landed in 2010, more than half of which was from the state of
Texas Texas (, ; Spanish: ''Texas'', ''Tejas'') is a state in the South Central region of the United States. At 268,596 square miles (695,662 km2), and with more than 29.1 million residents in 2020, it is the second-largest U.S. state by ...
.


Taxonomy

''Farfantepenaeus aztecus'' was first described by J. E. Ives in an 1891 paper in the ''
Proceedings of the Academy of Natural Sciences of Philadelphia The ''Proceedings of the Academy of Natural Sciences of Philadelphia'' is a peer-reviewed scientific journal published by Academy of Natural Sciences of Drexel University The Academy of Natural Sciences of Drexel University, formerly the Acad ...
'', as a variety of "''Penæus brasiliensis''" (now '' Farfantepenaeus brasiliensis''). The type locality was
Veracruz Veracruz (), formally Veracruz de Ignacio de la Llave (), officially the Free and Sovereign State of Veracruz de Ignacio de la Llave ( es, Estado Libre y Soberano de Veracruz de Ignacio de la Llave), is one of the 31 states which, along with Me ...
, on the Mexico's Gulf coast . He distinguished the new variety on the basis of the extreme lengths of the antennal flagellum, which is 7–10× longer than the length of the carapace. "''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. ''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''.


References


External links

* {{Use dmy dates, date=February 2021 Penaeidae Crustaceans of the Atlantic Ocean Edible crustaceans Commercial crustaceans Crustaceans described in 1891