Figure 5 (IMAGE) University of the Witwatersrand Caption The house-boat “Musankwa”, the vessel that acted as the home and mobile laboratory during two field expeditions to Lake Kariba in 2017–2018, which was made available through the generosity of David and Julie Glynn, and whose crew, Coster Katupu, Godfrey Swalika, Simbarashe Mangoroma, and Never Mapira, provided essential logistic support. Credit Jonah Choiniere Usage Restrictions None 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.