This video is about our fieldwork in the Okavango Delta. We sampled environmental DNA (eDNA) to determine the composition of fish communities in different environments in the region. Our work will help monitor fishes and their distribution in this incredible landscape and contribute towards safeguarding their future. To find out more about our work go to http://www.vonderheydenlab.com. Thank you to the National Geographic Okavango Wilderness project for funding our research!