Sardine and Pacific mackerel occupy a transitional zone between the region of coastal upwelling and oceanic waters during spring, with sardine located principally off central California and mackerel off the central region of the Baja California Peninsula , , .
La macarela y sardina del Pacífico ocupan una zona transicional entre la región de surgencia costera y aguas oceánicas durante la primavera. La sardina principalmente se localiza frente a la parte central de California y la macarela frente a la región central de la península de Baja California , , .