AUTHOR=Hauser-Davis Rachel Ann , Siciliano Salvatore TITLE=Editorial: Emerging Concerns, Biology and Conservation in Key Marine Environments Undergoing Highly Selective Pressures JOURNAL=Frontiers in Marine Science VOLUME=8 YEAR=2021 URL=https://www.frontiersin.org/journals/marine-science/articles/10.3389/fmars.2021.755991 DOI=10.3389/fmars.2021.755991 ISSN=2296-7745