Pelagic Octopus at Night American photographer Helen Brierley used a narrow light beam to find this ethereal, tiny octopus in the darkness of the open ocean.
Muraena helena Mediterranean moray (Muraena helena) in black coral (Stichopathes sp. Seamounts in the North of Canary Islands, Spain. Ranger Expedition to the Atlantic Seamounts.
Mark Thomas caught this shanny, Lipophrys pholis, peeking out of its hiding place. This common European shallow-water fish often rewards divers patient enough to wait for a close-up.