They're peaceful fish that consume algae and veggies, with shades that blow other fish out with the drinking water. Its unique polka-dot pattern and flat system allow it to be a conversation starter in almost any aquarium. These rays are generally peaceful and pair nicely with fish like silver dollars https://share.evernote.com/note/d4840191-7831-eaef-1e26-f5ee2fda437c