[quote=Siphran]
You know what you could use for that? Take the Snapping Effect of Alpheidae shrimp to a whole new level. Some muscle in the mouth that produces the same effect but projects it?
[/quote]

Good idea, that's the kind of thing we could go for!

Either that or an incredibly low and almost imperceptibly bassy note which might have the same effect. Or both! :newlol