Larval Leaf Scorpionfish (photograph by Chris Newbert, Minden Pictures). Lacking any other defense, many larval fish have adapted transparency as a method of camouflage—such as this tiny, see-through larval leaf scorpionfish in Hawaii.
The Axolotl also known as a Mexican salamander or a Mexican walking fish, is a neotenic salamander, closely related to the tiger salamander. Although the axolotl is colloquially known as a "walking fish", it is not a fish, but an amphibian
Dumbo Octopuses are named because of their ear-like fins coming out of their heads. They live in the extreme depths of the water, some living 7000 meters below sea level. Unlike other octopuses, they swallow their food whole! SO CUTE!