According to the renowned marine biologist Jacques Cousteau, the Sea of Cortez can be described as the "Aquarium of the World"ť. There are more than 850 aquatic species including the black marlin, blue marlin, swordfish, tuna, etc. Most of them are highly valued in sport fishing, one of the most important water activities in the region. The Sea of Cortez is a paradise for people who enjoy scuba diving as a way of life or just for fun. From December to March you can delight watching one of the most amazing experiences of a lifetime, the arrival of the humpback whale and gray whale to mate and give birth. You can also witness the spectacle of thousands sea turtles being liberated each year into the waters of the Pacific in Baja California.