Past studies have found that the calcium carbonate exoskeletons of corals that make up reefs fluoresce under ultraviolet light suggesting that they absorb UV rays.

• 过去的研究发现，构成珊瑚礁的碳酸钙质珊瑚外骨骼在紫外线的照射下会发出荧光，这表明这些外骨骼吸收紫外线。