Marine Iguana
Marine iguanas are seen in numerous amounts, especially on lava rock shores. They are strong divers, sometimes descending to depths of 35 ft. Normally they have a black skin, but in the breeding season, which varies from island to island, the males turn bright green and red.
See Marine Iguanas on a spectacular Galapagos cruise holiday. Backstage tour of the Darwin Centre. All trips fund Galapagos conservation.