The most important capture zone is the Pacific Ocean near the California Gulf with 88% of the overall catch (18 710 tonnes) while the Gulf of Mexico accounts for the remaining 12% (2 490 tonnes). Fishing takes place mainly in costal lagoons, estuaries and marine shoreline on both coasts with the majority of landings being in Sinaloa (11 361 tonnes) and Sonora (4 644 tonnes) in the Pacific Ocean and Tamaulipas (1 724 tonnes), Veracruz (4 104 tonnes) and Campeche (2 718 tonnes) in the Gulf of Mexico. In the states surrounding the Gulf of California and in those in the Gulf of Mexico the fishery is exploited at MSY and only those states in the Pacific outside the Gulf of California have some potential for increased catch. All holders must comply with the Official Mexican Standards (NOMs) and respect fishing bans.