RT euronews
Did you know that to eavesdrop on fishy conversations, scientists use a special underwater microphone called a hydrophone?🎤🤿
It's a device that records sounds from all directions. It looks like this👇
🎧 Find out more on #OceanCalls: http://bit.ly/3NeVf4t
w/ @EU_MARE https://t.co/2X2S3VrTvT

🐦🔗: https://n.respublicae.eu/euronews/status/1672107211919708167