Living organisms may produce light via bioluminescence, fluorescence, and phosphorescence.

Green fluorescence in a short-nose greeneye fish. The fish glowed under blue light. Image courtesy of Edie Widder, Operation Deep Scope 2004.

This short-nose greeneye fish exhibited green fluorescence under blue light. Image courtesy of Edie Widder, Operation Deep Scope 2004.

While deep areas of the ocean are almost completely dark, light still plays an important role in these environments. The ability of an organism to create its own light could put it at a competitive advantage in situations such as during the hunt for food and evading predators.

Marine animals produce their own primarily by three different processes:

 

For More Information:

Living Light (pdf, 1.2 Mb), Bioluminescence 2009: Living Light on the Deep-sea Floor

A Bioluminescent Gallery (pdf, 2.7 Mb), Bioluminescence 2009: Living Light on the Deep-sea Floor

Fluorescence: The Secret Color of the Deep, Operation Deep Scope 2005 

Deep Light, Operation Deep Scope 2004

Detecting Fluorescence: Green, Yellow, Orange, and Red in the Deep Sea, Operation Deep Scope 2004

 

 

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