Brooding Octopod (image) Cell Press Share Print E-Mail Caption This photograph shows an octopod brooding its eggs on the stalk of a dead deep-sea sponge. The sponge stalk is attached to a manganese nodule, a naturally forming rock containing commercially interesting metal deposits. Credit Image courtesy of the Alfred Wegener Institute OFOS team 2015. Usage Restrictions Credit Required. Share Print E-Mail 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.