Sponges smothering corals (Image 3)

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04/28/2017 01:04 PM EDT

Predator fish prevented these orange sponges from entirely covering the coral beneath them

These orange sponges off Little Cayman Island would have eventually covered and smothered the corals beneath them, but were prevented from doing so by the grazing activity of predator fish such as angelfish and parrotfish. With coral cover on Caribbean reefs at historic lows, sponges are now the …

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