United States National Parks Service

Using a narrow-based diver system to monitor the endangered Devils Hole Pupfish, Cyprinodon diabolis. The accuracy of this approach has been assessed and published (Bower, Michael R., Gaines, Daniel B., Wilson, Kevin P., Wullschleger, John G., Dzul, Maria C., Quist, Michael C. and Dinsmore, Stephen J.(2011) 'Accuracy and Precision of Visual Estimates and Photogrammetric Measurements of the Length of a Small-bodied Fish', North American Journal of Fisheries Management, 31: 1, 138 — 143)

Recording in Devils Hole, Death Valley National Park, Nevada USA (pictures from United States National Parks Service)

Whale sharks

SeaGIS has provided Ecocean Inc and The Australian Institute for Marine Science (AIMS) with software, hardware and training to enable them to measure the length of whale sharks with stereo video systems.

Stereo measurement of a whale shark


Department of Environment and Conservation, Western Australia

SeaGIS has supplied software and hardware for a number of diver-based systems, primarily for measuring reef fish.

Department of Fisheries, Western Australia

SeaGIS has supplied software and hardware for a narrow-based stereo camera system for benthic transect surveys.

Port Stephens Fisheries Centre, Department of Primary Industries NSW

Design and calibration of a diver-swum stereo video system for shark measurement. SeaGIS has supplied software, hardware and on-site training.

© Justin Gilligan	© Justin Gilligan