Underwater fluorescence. Stony coral (Favia sp. red, green), sponges (Cliona sp. blue) and algae (orange red) photographed at night using blue coloured flashlight and an orange/yellow filter. Blue light excits pigments within some underwater organisms causing them to emit a fluorescent glow. It is thought the coral's glow in attracts symbiotic algae which in turn allows the coral to grow in deeper water. Fluorescence may also offer protection against harmful ultraviolet light from the sun in shallower water. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / EYE OF SCIENCE |
Taille de l’image : | 4833 px × 3626 px |
Model Release : | Non requis |
Property Release : | Non requis |
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