The Passer Angelfish is commonly referred to as the King Angelfish as it appears like one in the crowd. With its beautiful color combination, the Passer Angelfish makes a captivating showpiece addition to a tank. In its juvenile stage, it features orange body with one white and multiple blue stripes. The Passer Angelfish grows bigger and needs to be kept in a tank not less than 200 gallon. Since the Passer Angelfish becomes aggressive, it can be kept with other semi-aggressive tank mates. The Passer Angelfish is a hardy fish, this makes a good choice for any aquarist. The Passer Angelfish is mostly found grazing over the stony or soft corals and clam mantles, so it is not considered a good reef dweller. Its diet should include vegetable matter such as Spirulina, marine algae, meaty items, and high-quality angelfish preparations which include sponges, mysis, and brine shrimp, krill and clam. The Passer Angelfish should be fed at least three times a day for its continued good health. The Passer Angelfish is susceptible to various diseases such as Marine Ich, Marine Velvet, and when is observed with the symptoms, immediately quarantine it. It is better to keep the Passer Angelfish singly or in true mated pairs, as it becomes belligerent towards the same species, and should not be kept with the same kind or shaped fishes. The Passer Angelfish thrives well in a temperature range of 72-78 degrees Fahrenheit and pH of 8.1-8.4.