Fledermaus is powerful, interactive data visualisation software developed by Interactive Visualization Systems (IVS3D). Fledermaus software is used for a variety of ocean mapping applications, such as multibeam depth data editing, environmental surveys, undersea mining, seabed geology research, cable laying and dredge planning. These 3D images generated with Fledermaus software show the variety of undersea landscapes or seascapes found within the Australian region.