All articles tagged with #underwater acoustics
LSU researchers propose that the rockhead poacher’s hollow head serves as a built-in percussion instrument to generate buzzing sounds for communication. MicroCT scans revealed internal bone spines and rib-like structures that may act as drumsticks and sensors, helping the small fish sense water flow and vibrate sound in its noisy shallow habitat.
Scientists in Greenland used passive acoustic monitoring to study narwhals, discovering they frequently interact with underwater microphones, possibly out of curiosity or confusion, raising concerns about how human-made noise might affect marine animals. The study highlights the need to understand animal behavior better to protect Arctic species like narwhals.
Scientists are studying and recording the unusual sounds made by fish underwater, revealing that their vocalizations are more mysterious than commonly thought.
Researchers have reanalyzed mysterious "bio-duck" sounds recorded in the South Fiji Basin in 1982, concluding they are likely conversations between marine animals, possibly Minke whales. These sounds, initially thought to be mechanical, were captured using hydrophones and suggest a form of communication where one speaker talks while others listen. Despite no direct sightings of whales during recordings, the sounds are believed to originate from these intelligent marine mammals.