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According to Official Mexican Norm NOM-003-SAG / PESC-2018, small pelagic fishing vessels along the Mexican coast must operate within a specific region related to their base port, which is defined in the corresponding Fishing Permit. Fleet movement between regions is not allowed. Movement of vessels will be allowed for a specific time and by express authorization of the fishing authority only, when for operational and maintenance reasons some fishing units cease to operate, and other units can occupy the unused effort. For the above, three regions are established for the fishing of small pelagics off the Pacific Ocean coast, including the Gulf of California: Zone A, Pacific coast of the Baja California peninsula, with 34 vessels; Zone B, Gulf of California and the coast of Sinaloa-Nayarit and northern Jalisco, with 60 vessels and Zone C, from northern Jalisco to Chiapas with three vessels. Although the NOM identifies 12 species for exploitation, only five of these are of temperate affinity and the rest are tropical. The fishery is mainly aimed at four species since the catch of jack mackerel is generally low. During 2018, the total catch in the NW of Mexico was 595,716 t. Specifically, and in order of importance according to fishing volumes, the Pacific sardine was the most captured species (338,768 t), followed by the northern anchovy (149,101 t), the chub mackerel (94,770 t) and the round herring (13,077 t). In Ensenada, B.C., the total catch was 135,243 t, of which 73,031 t were from Pacific sardine, 12,172 t from chub mackerel and 50,040 t from northern anchovy; in Bahia Magdalena, B.C.S., a total of 79,800 t were captured, of which 78,850 t were from Pacific sardine and 950 t from chub mackerel; in the north and center of the Gulf of California (Guaymas and Yavaros, Sonora) a total of 380,673 t were captured, of which 186,887 t corresponded to Pacific sardine, 99,061 t to northern anchovy, 81,648 t to chub mackerel and 13,077 t to round herring sardine. The total catch of Pacific sardine for the western coast of the Mexican Pacific was 151,881 t, 19% lower than the catches from the Gulf of California.

Palabras clave: small pelagic fishing; NOM-003-SAG / PESC-2018; temperate affinity

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