There's a hypothesis that fish on the great barrier reef, for instance, use the sound of reefs as a cue to find them in ane. And some ghost hunters, or people who are looking into ghosts, have found that just a low, low rumble from a fan will give us the same eeri feeling when we're scared. We sely see evidence that when you see things like our race get to gridaty thats for col bleaching, climate driven events,. through other forms of degradation, pollution, sediment things iat, they are getting quieter because, yo, same thing you seeng hapving on land.