Note

Coral Reefs

, Volume 29, Issue 1, pp 41-45

First online:

Octocoral bleaching during unusual thermal stress

  • C. PradaAffiliated withDepartment of Biological Sciences, Louisiana State University Email author 
  • , E. WeilAffiliated withDepartment of Marine Sciences, University of Puerto Rico
  • , P. M. YoshiokaAffiliated withDepartment of Marine Sciences, University of Puerto Rico

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Abstract

We describe a bleaching event in octocoral communities at four reefs in southwest Puerto Rico during October 2005 following a period of elevated sea surface temperatures. Percentages of colonies bleached varied among taxa, ranging from 0% for Pseudopterogorgia, Eunicea and Gorgonia to over 90% for Muricea. Other taxa exhibiting bleaching included Pseudoplexaura (22.3%), Muriceopsis (36.6%), Briareum (46.1%), Plexaurella (69.6%) and Pterogorgia (84.5%).

Keywords

Caribbean Bleaching Octocoral Species-specific