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Crunching on coral

 E-Mail IMAGE: A variety of reef fishes swim among the staghorn coral in Mo orea, French Polynesia as a researcher swims overhead. view more  Credit: UC Santa Barbara You might not think an animal made out of stone would have much to worry about in the way of predators, and that s largely what scientists had thought about coral. Although corallivores like parrotfish and pufferfish are well known to biologists, their impact on coral growth and survival was believed to be small compared to factors like heatwaves, ocean acidification and competition from algae. But researchers at UC Santa Barbara have found that young corals are quite vulnerable to these predators, regardless of whether a colony finds itself alone on the reef or surrounded by others of its kind. The research, led by doctoral student Kai Kopecky, appears in the journal

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