At https://www.whoi.edu/what-we-do/explore/instruments/instruments-sensors-samplers/video-plankton-recorder-vpr/ https://www.whoi.edu/what-we-do/explore/instrum

At https://www.whoi.edu/what-we-do/explore/instruments/instruments-sensors-samplers/video-plankton-recorder-vpr/ https://www.whoi.edu/what-we-do/explore/instruments/instrume... you can read about the VPR (video plankton recorder), which is towed behind a ship and takes photos of a small region. It's a great tool for seeing patterns of different species. The videos at the bottom of the site might be interested to folks reading this thread.