They may be peaceful fish that take in algae and greens, with hues that blow other fish out on the water. George Berninger Jr./Wikimedia Commons The masked angelfish is a surprising reef dweller that captivates with its sensitive appearance and striking mask-like sample. Expanding to about six–seven inches in duration, https://medium.com/@AquariumOnlineStore/what-should-be-your-first-steps-to-set-up-an-aquarium-28c5c23d2361