Studying Impact Of Snails On Coral (IMAGE) Georgia Institute of Technology Caption Porites cylindrica corals were caged -- to exclude other predators -- and a Coralliophila snail was attached to feed for 24 days. Although snail feeding is very localized, the negative effects of predation are evident at nearby locations on the coral. Credit Cody Clements, Georgia Tech Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.