Barbs are energetic fish that university in groups of not less than 5 and cannot be saved with gradual or weak tank mates as they are often really reckless. George Berninger Jr./Wikimedia Commons The masked angelfish is a stunning reef dweller that captivates with its delicate visual appearance and hanging https://sites.google.com/view/aquarium-shop-online/4-questions-to-ask-while-interviewing-a-pond-cleaner