Callogorgia delta (IMAGE) University of Oldenburg Caption The deep-sea coral Callogorgia delta is often found in the Gulf of Mexico near cold seeps. The pink-coloured brittle stars are probably useful for the corals. The photo was taken at a depth of 439 metres. Credit ECOGIG consortium Usage Restrictions No restrictions. License CC0 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.