The blue devil damsel is one of many brightly colored fishes. They make aquariums look beautiful and they are easy to care for. In biology we have a couple of different damsel fish that are beautifully colored. (Click Photo for source)

Kingdom: Animalia

Common Name:
Blue Devil Damsel

Scientific Name: Abudefduf cyaneus

Taxonomy:
Kingdom: Animalia
Phylum: Chordata
Class: Osteichthyes
Order: Perciormes
Family: Pomacentidea
Genus: Abudefduf
Species: cyaneus

Natural Range
Perhaps the most popular of all saltwater aquarium fishes, the blue devil or blue damsel are native to the tropical waters of the Indian and Pacific Oceans.

Interesting Facts
The Blue Devil Damsel may live peacefully, when it is young, but when they become adults they could be aggressive. It is one of the easiest marine fish to keep and care for. They are very hardy in captivity.It has a striking metallic light blue with a black stripe in the eye.Its an omnivore and it grows up to 3-5 inches.The blue devil is a very agressive fish when it swims with other fish. This fish is usually found throughout the reefs and are very busy trying to defend their territory.

Links
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The Blue Devil Damsel and CLHS

The blue devil damselfish is a beautiful bright electric blue fish that are easy to care for. However, they are an aggressive fish when around other fish. Their maximum length is 5.9 inches. They are found in Tonga, Fiji. Blue devil damsels are also found in the INdian Ocean and are Indo-Pacific. This fish is hardy in captivit and they make the aquarium that they are in very bright and beautiful.