In the Pacific Ocean, researchers have recorded a mysterious noise dubbed the “cascading saw.” The nickname comes from the sound’s shape when graphed as pitch over time — sawlike teeth that rapidly tumble downward. The species responsible for the noise is unknown.
Read more: https://www.sciencenews.org/article/fish-ocean-animals-environment-communication-behavior
Video: Jill Munger/Conservation Metrics
What fish made this sound? | Science News
