Abalone fisheries in one of the most important economic activities in the western coast of the Baja California peninsula, particularly in the region between Isla Cedros, B.C. and Bahía Magdalena, B.C.S. Unfortunately, over exploitation, poaching, and environmental changes have contributed to a reduction in their populations. This is why it is necessary to design fishery management strategies to promote their recovery. For this purpose, it is required to know different aspects of their biology and ecology (in other words, their interaction with the environment and with other marine species)...