a dark mat of algae spreads across the substrate next to the skeleton of an antler coral colony that bleached and died from too warm seawater, Hawaii

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a dark mat of algae spreads across the substrate next to the skeleton of an antler coral colony, Pocillopora grandis (formerly Pocillopora eydouxi ), that bleached and died during 2015 El Nino event; growth of algal mats is an indication of a degraded reef; Kohanaiki, Kona, Hawaii ( Big Island ), Hawaiian Islands ( Central Pacific Ocean )

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Size: 8256px × 5504px
Location: Hawaii, USA
Photo credit: © Doug Perrine / Alamy / Afripics
License: Licensed
Model Released: No

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