For the survival of deep-water corals glow in the water
British experts came to the conclusion that deep-water corals glow in the water for survival. In the process of the illumination of the invertebrates produce the fluorescent protein that protects fish and shellfish from sunlight.
However, at a depth of 165 meters, where sunlight does not fall almost, there are fluorescent corals. Interacting with Israeli colleagues, the scientist Joerg Wiedenmann and his team determined that the fluorescence is used here for another purpose. The fact that the polyps live in symbiosis with unicellular algae. In the process of such interaction the first to receive the products of photosynthesis to provide energy needs, and the second supplied with shelter, carbon dioxide and nutrients.
The study was conducted by scientists from the University of Southampton (University of Southampton). First, experts have found that coral polyps have the ability to cope with the increased acidity of the water.
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