Researchers were collecting data from an acoustic telemetry device when they discovered a “strange” blob attached to it. U.S. Fish and Wildlife Service. A “strange” blob was recently found clinging to ...

An acoustic transmitter -- or tag -- emits unique signals or 'pings' when scientists want to study the long-distance movement of marine animals. However, this method has limitations. Using a movement ...

A “strange” blob was recently found clinging to a piece of aquatic research equipment, as if swallowing up the device, much to the surprise of wildlife experts, photos show. Researchers were checking ...