Gulf menhaden lengthy, and populations of Gulf menhaden throughout the Gulf of Mexico are generally thought to comprise a single genetic stock. The Gulf menhaden fishery is one of the largest in the United States. In 2013, the fishery supported four of the nation’s top ten ports by volume of landings. Gulf menhaden are harvested primarily for fish meal and fish oil based products. A much smaller number of menhaden are caught for use as bait. In addition to being one of the largest fisheries in the US, the Gulf menhaden fishery has also been recognized internationally for its sustainability. The fishery’s
Infighting in the Gulf Cartel with the Sinaloa Cartel and Joaquín "El Chapo" Guzmán. Nonetheless, after the arrests of Costilla Sánchez and Cárdenas Guillén, it is difficult to predict what fate lies ahead for the Gulf Cartel and Mexico's criminal underworld. In the late 1990s, Osiel Cárdenas Guillén, the former leader of the Gulf Cartel, had other similar groups besides Los Zetas established in several cities in Tamaulipas. Each of these groups were identified by their radio codes: the Rojos were based in Reynosa; the Metros were headquartered in Matamoros; and the Lobos were established in Laredo. The infighting between the Metros and the Rojos