Fluorescent Mushroom Coral, Fungia fungites, Florida Islands, Solomon Islands

Fluorescent Hard Coral, Ambon, Moluccas, Indonesia

Fluorescent Coral, Lobophyllia sp., Florida Islands, Solomon Islands

Killer whale pod (Orcinus orca), off Punta Colorada, Isla San Jose, Baja California Sur, Mexico, North America

Deep-sea Jellyfish

Dumbo Octopus

Bioluminescent Click Beetle

Coral Fluorescence of Brain Coral in Day Light, Micronesia, Palau

Coral Fluorescence of Brain Coral in Day Light, Micronesia, Palau

(Mnemiopsis leidyi), the warty comb jelly or sea walnut. Only in springtime, when the hard winter slowly subsides, are the ice-cold waters suitable for divers who can dive around a iceberg that floats in crystal-clear water, Tasiilaq, East Greenland

Detail of a cauliflower jellyfish, Boueni Pass, Mayotte

Fast Fluorescent Mantis shrimp. Mayotte

Fluorescent Tube Anemone (Cerianthidae sp) hunting at night on the sand of the S pass. Mayotte

Moray (Gymnothorax sp) fluorescing under blue light, in the reef at night, Mayotte

Helmet jellyfish (Periphylla periphylla) is a luminescent, red-colored jellyfish of the deep sea. Trondheimsfjord, Norway, Atlantic Ocean

Fluorescent coral mushroom. Fluorescent coral (Fungiidae sp) attracting its prey in the dark of night, Mayotte

Fluorescent Sea anemones and Corals at night in the reef, Mayotte

A multitude of fireflies in front of Torrechiara Castle, Parma, Italy

Small fluorescent sea anemone at night on the bottom of the S pass, Mayotte

Small fluorescent sea anemones at night on the bottom of the S pass, Mayotte

A multitude of fireflies in front of Torrechiara Castle, Parma, Italy

Fireflies in front of Torrechiara Castle, Parma, Italy