San Cristobal is one of the larger islands with a limited human population which is scattered throughout the island and in a couple of small communities. The island’s forests are fragmented.

The Exo Terra team sailed with the research vessel to the northern tip of the island where there is easy access to the degraded and primary forests. Oophaga pumilio was almost immediately located, even in the degraded forest patches at the edge of the banana plantations. This population was primarily observed on the forest floor near tree bases. The frogs at San Cristobal are extremely variable, with a red to orange dorsal colouration and blue legs. Some are dotted, while others are patternless. The team even encountered a specimen that could be from the mainland, the so-called blue jeans morph. Oophaga pumilio seems to be more abundant here than on the other islands visited, so it did not take long to get some good images and footage of these beautiful morphs. In the late afternoon, the La Vie left San Cristobal, again in the pouring rain, for Isla Bastimentos.