Mark Jones / Marine Iguana (Amblyrhynchus cristatus) pair resting after morning feeding, vulnerable, Punta Suarez, Hood Island, Galapagos Islands, Ecuador

Tui De Roy / Marine Iguana (Amblyrhynchus cristatus) breeding male basking with Sally Lightfoot Crab (Grapsus grapsus) scavenging dead skin, Hood Island, Galapagos Islands, Ecuador

Tui De Roy / Marine Iguana (Amblyrhynchus cristatus) grazing seaweed in wave wash at low tide, Punta Espinosa, Fernandina Island, Galapagos Islands, Ecuador

Michio Hoshino / Marine Iguana (Amblyrhynchus cristatus) group with Sally Lightfoot Crabs (Grapsus grapsus), Galapagos Islands, Ecuador

Michio Hoshino / Marine Iguana (Amblyrhynchus cristatus) portrait, Galapagos Islands, Ecuador

Tui De Roy / Marine Iguana (Amblyrhynchus cristatus) pair sky pointing to keep cool in hot sun, Punta Espinosa, Fernandina Island, Galapagos Islands, Ecuador

Tui De Roy / Sally Lightfoot Crab (Grapsus grapsus) pair sharing boulder with Marine Iguanas (Amblyrhynchus cristatus) to escape high tide, Mosquera Island, Galapagos Islands, Ecuador

Tui De Roy / Sally Lightfoot Crab (Grapsus grapsus) group sharing boulder with Marine Iguana (Amblyrhynchus cristatus) trio to escape high tide, Mosquera Island, Galapagos Islands, Ecuador

Tui De Roy / Sally Lightfoot Crab (Grapsus grapsus) group sharing boulder with three Marine Iguana (Amblyrhynchus cristatus) group to escape high tide, Mosquera Island, Galapagos Islands, Ecuador

Tui De Roy / Marine Iguana (Amblyrhynchus cristatus) pair silhouetted on lava shore at sunset, Cape Douglas, Fernandina Island, Galapagos Islands, Ecuador

Tui De Roy / Marine Iguana (Amblyrhynchus cristatus) diving to graze on algae, Cape Douglas, Fernandina Island, Galapagos Islands, Ecuador

Tui De Roy / Marine Iguana (Amblyrhynchus cristatus) group in over heated sky pointing posture with lava flow entering sea, Cape Hammond, Fernandina Island, Galapagos Islands, Ecuador