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Coral fluorescence lures prey in deep habitats

by Admin Staff
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Coral fluorescence lures prey in deep habitats

From Reef Builders: 

An article published in the Journal Nature has found that mesophotic corals may use their fluorescence to lure and capture zooplankton. In the past, fluorescence has been linked to many factors from screening harmful radiation to facilitating photosynthesis in corals, but for deeper living, highly fluorescent specimens both those theories are unlikely. Mesophotic corals found at 30-150 meters may still produce some energy via symbiotic zooxanthellae but as light diminishes and shifts to the blue spectrum, they increasingly turn to their other nutritional strategy – prey capture. 

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