Blueback damsel

The Blueback damsel (Pomacentrus simsiang) is a small, brightly colored marine fish predominantly featuring a vivid blue back with a contrasting yellow or pale underside. It originates from the Indo-Pacific region. Characterized by its vibrant hues and relatively small size, this species displays the classic, streamlined damselfish shape. While it is known among aquarists, it does not rank among the most popular or commonly kept species in the aquarium hobby.