631501 external_news 1579805153 1579808595 Toxic seaweed might be a coral’s worst nightmare. So what do corals do when danger strikes? They call in backup. New research indicates that coral has a way to ‘call’ upon certain fish for help when under siege by toxin-releasing seaweed. “This species of coral is recruiting inch-long bodyguards,” explains Mark Hay, a co-author of this published research and professor of biology at Georgia Tech.

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