Katherine's Fairy Wrasse: Male

Cirrhilabrus katherinae. 

Cirrhilabrus katherinae is a species of marine fish in the family Labridae, commonly known as the Katherina's fairy wrasse. It is found in the Western Pacific Ocean, specifically in the Philippines and Palau.

The Katherina's fairy wrasse has a distinct appearance, with males having a bright pinkish-red body, blue-green markings on their head, and a yellow tail. Females are less colorful, with a reddish-brown body and a yellow-orange tail. They are a small fish, growing to a maximum length of around 9 cm.

Cirrhilabrus katherinae is a popular aquarium fish, known for its vibrant colors and peaceful nature. However, due to its limited distribution, it is relatively rare in the aquarium trade.