September 20, 2018 — Hawaiian cauliflower coral is one step closer to federal protection under the Endangered Species Act, according to the first review released on Wednesday by the National Marine Fisheries Service of a manufacturing sponsor of the Center for Biodiversity.
Nickname cauliflower, Pocillopora meandrina is often pink, green or cream-colored and is characterized by its branching colonies. Called Ko? A on Hawaiian, the coral is rich in rocky reefs throughout the Indo-Pacific and East Pacific.
“Information presented in the production and other readily available information in our files shows that the most important threat to P. meandrina throughout its assortment at present and in the future, and to the coral columns in the Indo-Pacific region, such as P. meandrina is a part off, marine warming and subsequent warming-induced coral bleeding and mortality, says the report.
Between 2014 and 2015, cauliflower coral was one of many species affected by severe bleeding events, in which single-cell organisms called zooxanthellae that live inside the coral structure and give that pigment expelled. Zooxanthellae can resettle in the coral, other times the organism dies.
Subsequent investigations of Hanauma Bay on Oahu in 2016 recorded evidence of bleeding in 64 percent of P. meandrina colonies, while 1.3 percent were “affected by total post bleaching mortality”. On the western coast of Big Island, 49.6 percent of all living corals were leaks lost.
“Corrosion protection ultimately needs to reduce global temperature increases by drastically reducing fossil fuels. Cauliflower coral is also threatened locally through land-based contamination, sedimentation and physical disturbance caused by human activities, “says the Center for Biological Diversity in a Press Release.