Can marine creatures make sound and hear each other?

Can marine creatures make sound and hear each other?

Can marine creatures make sound and hear each other? Many water animals hear under water very well and make their own sounds too! It's just that our human ears aren't designed to hear it properly when we're swimming! In fact, the ocean is full of sounds - scientists call it the "underwater soundscape" Dolphins make clicking sounds to find fish and navigate Whales sing elaborate songs that can travel for miles through the ocean Humpback whales have songs that can last for hours!