
Fishes can “hear” their surroundings though their bodies – sensing where they are. Are they “aware” of this? Perhaps no more than we are “aware” of seeing through our eyes.

If this approach was employed in the Underwater Internet of Things – establishing communication channels predicated on unique frequency-shift sequences specific to the particular communication channels, it might go far in allaying our concerns about turning the entire ocean into a digital-communications mosh pit.