"FISH LISTEN WITH THEIR EYES DVD approximate running time is 45 minutes.Full color motion picture presentation, that present a Fish's Perspective on how travelling sounds moving through large bodies of water can create a form of vision that is used by fish, Whales and Dolphins to see in the sea and read sound waves echoes in the sea to navigate. The manner in which Fish, Whales and Dolphins use sound wave echoes to see in the sea can be used by children from the land to see/sea the phonic sounds of language through the letter characters of the alphabet." This product is under the Listen With Your Eyes See/Sea Sound Trademark....Registered in the United States Patent and Trademark Office...Copyright 1996-2012, Library of Congress,All Rights Reserved.Contact The School of Fish Academy at Email address: help@followthefish.org...Welcome...