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Purple Rain Under the Sea

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American



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Image of the Week #86, April 1st, 2013:

From:Sea hares thwart spiny lobster attack with goo by Becky Crew at Running Ponies. Source: Genevieve Anderson A sea hare secretes purple ink to confuse and repel nearby predators. New research shows that these secretions also mimic the stimulatory properties of food, giving would-be predators a decoy meal to pursue, thereby adding another layer of defense for these squishy molluscs.