Taenianotus triacanthus is a species of marine fish which is the sole member of the genus Taenianotus. It is commonly known as leaf scorpionfish or paperfish.

The color of this fish varies from green and red to a ghostly white. The fish is almost as flat as a leaf and resembles a leaf in many other ways. The skin often has blotches that enhance a camouflage effect. This fish has appendages around the mouth, and sometimes real algae

Algae

Algae are a large and diverse group of simple, typically autotrophic organisms, ranging from unicellular to multicellular forms, such as the giant kelps that grow to 65 meters in length. They are photosynthetic like plants, and "simple" because their tissues are not organized into the many...

 and hydroids grow on its skin. The fish molts periodically, and can change colors after the molt.