Most Are excellent tropical fish for beginners, but some are fussy eaters and might be much better suited to expert aquarists. George Berninger Jr./Wikimedia Commons The masked angelfish is a stunning reef dweller that captivates with its fragile physical appearance and striking mask-like pattern. Expanding to about six–7 inches in https://www.diigo.com/item/note/9tt3x/b27r?k=2b3f4d10222e0e076abad039c47f0ae0