Nylon rope at 100m depth (IMAGE) California Academy of Sciences Caption Bundle of nylon rope from an anchor line in Palau. Nylon ropes are expensive and usually removed from shallow reefs, but since this piece got entangled so deep, it was cut and left behind. (Luiz Rocha © California Academy of Sciences) Credit (Luiz Rocha © California Academy of Sciences) Usage Restrictions Editorial usage permitted as long as appropriately credited. License Original 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.