Research Progress on Toxicological Effects of Organic Ultraviolet Absorbents on Coral.

Coral reef ecosystem, which is one of the most important marine ecosystems, is suffered from serious degradation due to climate change (such as global warming and ocean acidification) and human activities (such as overfishing, chemical pollution). Organic ultraviolet absorbents (OUVs) are a kind of emerging "pseudo-persistent" organic pollutants. Previous studies indicated that OUVs have an importantly negative influence on coral health and are ubiquitous in various coral reef regions. To systematically understand the toxicity mechanism and ecological risk of OUVs to corals, this paper reviewed the toxicological effects of OUVs on corals from the perspectives of toxicological experiment design and toxicological effect endpoint. The results show that OUVs are toxic to corals at individual, tissular and molecular levels, with the toxicological endpoints of lethality, bleaching, tentacle retraction, [ABSTRACT FROM AUTHOR]