Towed-Diver Survey of Sharks (image) University of Miami Rosenstiel School of Marine & Atmospheric Science Share Print E-Mail Caption Using an innovative survey method, called "towed-diver surveys," involve paired SCUBA divers recording shark sightings while towed behind a small boat. This approach was designed specifically for the census of large, highly mobile reef fishes including sharks. Credit Marc Nadon Usage Restrictions None 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.