Scalloped Hammerhead Shark, Sphyrna lewini, Arch, Darwin Island, Galapagos, Ecuador

Shoal of Bigeye Trevally, Caranx sexfasciatus, Arch, Darwin Island, Galapagos, Ecuador

Shoal of Bigeye Trevally, Caranx sexfasciatus, Arch, Darwin Island, Galapagos, Ecuador

Leather Bass, Dermatolepis dermatolepis, Arch, Darwin Island, Galapagos, Ecuador

Scalloped Hammerhead Shark, Sphyrna lewini, Arch, Darwin Island, Galapagos, Ecuador

Green Sea Turtle, Chelonia mydas, Arch, Darwin Island, Galapagos, Ecuador

Silky Sharks, Carcharhinus falciformis, Arch, Darwin Island, Galapagos, Ecuador

Green Sea Turtle, Chelonia mydas, Arch, Darwin Island, Galapagos, Ecuador

Green Sea Turtle, Chelonia mydas, Arch, Darwin Island, Galapagos, Ecuador

Giant Hawkfish, Cirrhitus rivulatus, Arch, Darwin Island, Galapagos, Ecuador

Shoal of Galapgos Grunt, Orthopristis forbesi, Arch, Darwin Island, Galapagos, Ecuador

Shoal of Pacific Creolefish, Paranthias colonus, Arch, Darwin Island, Galapagos, Ecuador

Silky Sharks, Carcharhinus falciformis, Arch, Darwin Island, Galapagos, Ecuador

Giant Hawkfish, Cirrhitus rivulatus, Arch, Darwin Island, Galapagos, Ecuador

Giant Hawkfish, Cirrhitus rivulatus, Arch, Darwin Island, Galapagos, Ecuador

Silky Shark, Carcharhinus falciformis, Arch, Darwin Island, Galapagos, Ecuador

Silky Sharks, Carcharhinus falciformis, Arch, Darwin Island, Galapagos, Ecuador

Adult cactus finch (Geospiza scandens), one of the 15 species of Darwin's finches, on Isla Santa Cruz, Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

Darwin Crater, Tagus Cove, Isabella (Isla Isabela), Galapagos Islands, Ecuador, South America