Lake Victoria (IMAGE) University of New Mexico Caption Lake Victoria is the second largest freshwater lake in the world, by surface area, and plays a crucial role in every day life for those who live in the region. It is also a habitat for several species of the freshwater snail that transmits the S. mansoni parasite. Credit Eric Loker/UNM Usage Restrictions None 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.