The Most Astounding Transparent Animals: Barreleye Fish
The first photos of this strange fish alive and in its natural habitat were not published until 2004, although the species has been recognized since 1939. Found in the Atlantic, Pacific and Indian Oceans at a depth of between 600 to 800 meters, there are 14 different types of Barrelfish. Their most salient feature? Their weird eyes and their completely transparent head.