The Blue Devil fish!
Swimming in the 74-78 degrees fahrenheit Pacific Ocean, this 2-3 inch Blue Devil is recognized by its blue body and yellow mouth. The blue devil is often comfused with the Yellow Tail Damsel because they look so alike. the blue devil feeds on algae but will eat mostly anything. It is a friendly salt water fish that could also live in a tank. The Blue Devil Fish is raised comercialy and is mostly available in your local fish/pet stores.