The Rusty Angelfish is aptly named due to its predominant amber or red hue, and black dots that diminish in size from the dorsal to pelvic and anal fins. Fins on the anal side are darker, and both the dorsal as well as anal fins are coated with bright blue sapphire. It is believed that the Rusty Angelfish requires at least 70 gallon tanks with plenty of live rock to hide and for grazing. A poor reef dweller The Rusty Angelfish is prone to bite at soft and stony corals (sessile invertebrates) and mantles of clams. It's best to be kept as the sole Dwarf angelfish within the aquarium.</p>   Diet of Rusty Angelfish should include Spirulina and marine algae, premium angelfish products mysis shrimps, as well as other meaty foods.