Question

how do dolphins communicate inside water?

Answer 1

Dolphin has a unique whistle called signature whistle

Answer 2

Hay everybody , here is your answer. Sound travels 4.5 – 5 times faster through water than through the air. For this reason dolphins rely on sound for communicationmore than any other mode. Scientists believe that every bottlenose dolphindevelops a distinctive high-pitched whistle, called a signature whistle (Tyack, 2000).