Barbs are energetic fish that university in groups of a minimum of 5 and can't be held with sluggish or weak tank mates as they are often fairly reckless. George Berninger Jr./Wikimedia Commons The masked angelfish is a stunning reef dweller that captivates with its fragile overall look and putting https://share.evernote.com/note/0340ca30-9136-e5e3-5c1b-dddc69b083e5