Portrait of a woman dancing in traditional costume, Aitutaki, Rarotonga, Cook Islands, Polynesia, South Pacific Islands, Pacific

Leatherback turtle (Dermochelys coriacea) eggs being collected for transfer to a safer hatchery location, Shell Beach, Guyana, South America

Researchers measuring a female Leatherback turtle (Dermochelys coriacea) at its nest site, Shell Beach, Guyana, South America

Turtle warden with nesting Leatherback turtle (Dermochelys coriacea), Shell Beach, Guyana, South America

Leatherback turtle (Dermochelys coriacea) eggs being collected for transfer to a safer hatchery location, Shell Beach, Guyana, South America

Leatherback turtle (Dermochelys coriacea) laying eggs under the watchful eyes of a conservation worker, Shell Beach, Guyana, South America

Applying a tag to a Leatherback turtle (Dermochelys coriacea) at its nesting site, Shell Beach, Guyana, South America

Leatherback turtle (Dermochelys coriacea) at nest site, Shell Beach, Guyana, South America

Leatherback turtle (Dermochelys coriacea) excavating a nest hole, Shell Beach, Guyana, South America

Symbiotic anemones cover the shell of a hermit crab, Dardanus pedunculatus, in Komodo National Park, Indonesia. This tropical area in the Lesser Sunda Islands is known for both its amazing marine biodiversity as well its infamous dragons.

A snail about the size of a coin generally lives under the sand but comes out at night to feed, Anilao, Philippines.

An adult commercial top shell (Rocha nilotica), on a night snorkel at Arborek Reef, Raja Ampat, Indonesia, Southeast Asia, Asia

Portrait of a Hamer (Hamar) child at Evangadi dancing (night dance), Dombo Village, Turmi, Lower Omo Valley, Ethiopia, Africa

Yellow shell (Camptogramma bilineata) (Geometridae), Bulgaria, Europe

Naga man dancing at Grand Finale wearing headdress of woven cane decorated with wild boar teeth, bear fur, topped with hornbill feather, and tiger claw neckstrap, also tiger teeth necklace and conch shell ear ornament, Naga New Year Festival, Lahe village, Sagaing Division, Myanmar (Burma), Asia

Naga men dancing at Grand Finale wearing headdress made of woven cane decorated with wild boar teeth, Mithan horns (wild cow) and bear fur topped with Hornbill feather with Tiger teeth necklaces and conch shell ear ornament, Lahe village, Naga New Year Festival, Sagaing Division, Myanmar (Burma), Asia

Naga men dancing at Grand Finale wearing headdress made of woven cane decorated with wild boar teeth, Mithan horns (wild cow) and bear fur topped with hornbill feather with tiger teeth necklaces and cowrie shell aprons, Lahe village, Naga New Year Festival, Sagaing Division, Myanmar (Burma), Asia

Naga lady wearing conch shell earings dancing, Lahe village, Sagaing Division, Myanmar (Burma), Asia

Tiger cowrie (Cypraea tigris) at night, Short drop-off, Palau, Caroline Islands, Micronesia, Pacific Ocean, Pacific

Tiger cowrie (Cypraea tigris) at night, Dumaguete, Negros, Philippines, Southeast Asia, Asia

Scorpion conch (Lambis sp.) peeking out its shell at night, Dumaguete, Negros, Philippines, Southeast Asia, Asia

A petrol station and electricity pylon at dusk in Billingham on Teesside, England, United Kingdom, Europe

Hawksbill Turtle (Eretmochelys imbricata). Sipadan Island, Malaysia (RR)

Seashell on beach at sunset

Seashell on beach

Caucasian man rowing on river at sunset

The Big Dipper in hazy clouds over the Waterton River at Maskinonge Pond, September 23, 2016, taken at the Night Photography Workshop I conducted there that night. The glow at right is light pollution from the Shell Waterton Gas Plant and from Pincher Creek to the north.

Murinsel, Mur Island on Mur River, Graz, Austria, Europe

Hands of women peeling the prawns at a stall at the night market, Luang Prabang, Luang Prabang Province, Laos, Asia

Holy Week procession, Semana Santa, Seville, Andalusia, Spain

Holy Week procession, Semana Santa, Seville, Andalusia, Spain

Fontana del Tritone, by Gian Lorenzo Bernini, in travertine, 1642 - 1643, Piazza Barberini, Rome, Italy, Europe

Both a Crinoid Commensal Shrimp (Periclimenes cornutus) and a Crinoid Squat Lobster (Allogalathea elegans) on a crinoid. These tiny crustaceans are commensal on crinoids or feather stars and take their color from the host, Philippines

Detail of the center branching arms of a Crinoid or Feather Star (Lamprometra klunzingeri) open and feeding on plankton at night, Philippines

A giant Galapagos tortoise (Geochelone nigra) beds down for the night below a tree house at the Tortoise Farm on the island of Santa Cruz in the Galapagos Archipelago, Santa Cruz Island, Galapagos Islands, Ecuador

Gymnosome pteropod (Hydromyles globulosa), a shell-less, planktonic mollusk sometimes called the sea butterfly, Bali, Indonesia

Indonesia, Komodo, Cuttlefish (Sepia Latimanus).

Indonesia, Komodo, Cuttlefish (Sepia Latimanus).

Indonesia, Komodo, Cuttlefish (Sepia Latimanus).

Nautilus where trapped from 300 meters in the Night, Nautilus belauensis, Micronesia, Palau

mole cowry cowry with mantle partially covering the shell at night underwater Hawaii