Tui De Roy / Cold sea fan (Muricea) community with Blacktip cardinalfish (Apogon atradorsatus) and Chocolate chip seastar (Nidorellia armata) swimming at heart of Cromwell Current upwelling. Isabela Island, Gala...

Tui De Roy / Cold sea fan (Muricea) community with Galapagos black coral (Antipathes galapagensis) and schooling Blacktip cardinalfish (Apogon atradorsatus) at heart of Cromwell Current upwelling. Isabela Island...

Tui De Roy / Cold sea fan (Muricea) community with Galapagos black coral (Antipathes galapagensis) and schooling Blacktip cardinalfish (Apogon atradorsatus) at heart of Cromwell Current upwelling. Isabela Islan...

Tui De Roy / Razor surgeonfish (Prionurus laticlavius) and schooling Blacktip cardinalfish (Apogon atradorsatus) swimming over coral reef with Lobe coral (Porites lobata). Galapagos Islands, Ecuador. Pacific Oce...

Tui De Roy / Razor surgeonfish (Prionurus laticlavius), Blacktip cardinalfish (Apogon atradorsatus) and Black-striped salema (Xenocys jessiae) swimming over coral reef. Galapagos Islands, Ecuador. Pacific Ocean...

Tui De Roy / Giant hawkfish (Cirrhitus rivulatus) swimming next to underwater ledge with schooling Blacktip cardinalfish (Apogon atradorsatus). Galapagos Islands, Ecuador. Pacific Ocean.

Tui De Roy / Schooling Blacktip cardinalfish (Apogon atradorsatus) swimming around Galapagos black coral (Antipathes galapagensis). Galapagos Islands, Ecuador. Pacific Ocean.

Lucas Bustamante / Giant hawkfish (Cirrhitus rivulatus) peering out from rock crevice surrounded by shoal of Blacktip cardinalfish (Apogon atradorsatus), Cousin's Rock, Galapagos National Park, Pacific Ocean.

Lucas Bustamante / Blacktip cardinalfish (Apogon atradorsatus) and Black-striped salemas (Xenocys jessiae) shoals swimming over seabed, Cousin's Rock, Galapagos National Park, Pacific Ocean.

Lucas Bustamante / Blacktip cardinalfish (Apogon atradorsatus) and Black-striped salemas (Xenocys jessiae) shoals swimming over reef, Cousin's Rock, Galapagos National Park, Pacific Ocean.

Lucas Bustamante / Blacktip cardinalfish (Apogon atradorsatus) shoal swimming around reef, Cousin's Rock, Galapagos National Park, Pacific Ocean.

Lucas Bustamante / Diamond stingray (Dasyatis dipterura) buried under sand on seabed with Blacktip cardinalfish (Apogon atradorsatus) swimming above, North Seymour Island, Galapagos National Park, Pacific Ocean.