Taenianotus triacanthus. The color of the Leaf Fish, also known as the Leaf Scorpionfish, or Paper Fish, varies between red, yellow, brown, or blue. A 30 gallon or larger aquarium with live rock is suitable for this fish. It uses the live rock for hiding as well as for perching while looking for food. Tank mates should be passive fish including other Leaf Fish. It has poison glands attached to the dorsal, anal, and pelvic spines. When first introduced into the aquarium, live saltwater feeder shrimp should be used to entice this fish to eat. The Leaf Fish diet consists of live foods such as feeder fish or small shrimp.