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First Fluoresent Sea Turtle Discovered

Researchers have discovered the first biofluorescent turtle in the Solomon Islands

David Gruber, a biologist at City University of New York and National Geographic Emerging Explorer, and his buddy Markus Reymann were taking pictures of biofluorecent coral during a night dive in the Solomon Islands when a vibrant red and green pattern caught their eye.

What Gruber described as 'bright red-and-green spaceship' turned out to be a hawksbill turtle whose shell was glowing in neon colours. 

David Gruber had previously filmed fluorescent sharks, rays and other species in the Solomon Island but said this was the first time fluorescence had been recorded in reptiles. 

Fluorescence describes the ability to absorb light, process it and then emit it with a different wavelength. The phenomena is often confused with bioluminescence, which is light produced by living organisms, for example by phytoplankton glowing in the waves on a beach.

Fluo Photgraphy

Anemone Hermit Crab D optAnemone Hermit Crab / Alex Tyrrell


Fluorescent diving has become increasingly popular over the past few year and has opened up new challenges for underwater photographers who capture the fascinating colours with the help of UV lights and filters. 

DIVE contributor Alex Tyrell shares the best tips and tricks for fluo photography HERE. 



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