Lionfish - Radiata (Pterois radiata) also known as the Clearfin Lionfish, or Tailbar Lionfish, has red, white, and black vertical stripes along the body; large, fan-like pectoral fins; and tall, quill-like dorsal fins. A 70 gallon or larger aquarium with numerous hiding places is suitable. It will hide while acclimating to its new environment.