The endemic Galapagos marine iguana Amblyrhynchus cristatus with a lava lizard on top of its head in the Galapagos Island Archipelago, Ecuador. The endemic Galapagos marine iguana Amblyrhynchus cristatus with a lava lizard on top of its head in the Galapagos Island Archipelago, Ecuador MORE INFO This is the only marine iguana in the world, with many of the main islands having it´s own subspecies This iguana is unique among all iguanas worldwide to feed exclusively underwater on algae Lava liz