Chrysiptera parasema
2-3 cm
The most common names include Yellowtail Blue Devil, Yellowtail Damselfish, Yellowtail Blue Damselfish, or Yellowtail Blue Damselfish. Appearance: The fish has an oval, laterally compressed body. Its entire body is covered in a striking, bright sky blue, while its tail fin is a vibrant yellow. Some of the yellow areas may extend slightly to the posterior edges of the dorsal and anal fins.