Whale Shark Silhouette (IMAGE) Smithsonian Tropical Research Institute Caption The nutrient rich waters of the Eastern Tropical Pacific are ideal for these filter feeders. Credit Kevan Mantell Usage Restrictions Credit: Kevan Mantell 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.