Fascinating approach to underwater wildlife monitoring, detailed in Popular Science:
“One study published in Marine Ecology Progress Series found that a single low-frequency recorder might be enough to monitor the populations of fish and other aquatic life living on a reef. The small instrument could be deployed at reefs all over the world, recording information about what kinds of sea life are living at these locations, recording the sounds of fish swimming and feeding, and the snap-crackle-pop of shrimp. You can listen to the sounds of a reef here.”
