This weekend marked the halfway point of the Galapagos expedition, both in time and in territory. After a week at Marchena, Darwin and Wolf, the latter two far to the north of the main group of islands, the ship will
Our first coral reef research site was by the island of Marchena. Old black lava blankets the land and flows down beneath the waves. Underwater, the porous lava and a few species of branching coral create a complex habitat for