Alex Mustard - Flash Dance
A long and multiple exposure revealing a shoal of two-fin flashlightfish (Anomalops katoptron) inside a cave, showing the characteristic flashing of their bioluminescent organs as they swim. These fish have two (one on each side) bean shaped torch-like organ under their eyes containing bioluminescent bacteria, which the fish can turn on and off and which they use for hunting their prey in the darkness.
Location: Ambon, Maluku Archipelago, Indonesia. Banda Sea, tropical west Pacific Ocean.