Rusty Angelfish Identification: From the Indian Ocean, the Rusty Angel gets its name from the rusty color reddish brown and blue/black fins. Maximum Length: Attains a length of approximately 4 inches. Minimum tank size: 30 Gallon Behavior: Occurring in aggregations of one male and several females, this fish makes an excellent aquarium inhabitant and is even possible to breed in the home aquarium. The Rusty Angel is a medium maintenance fish and may act semi-aggressively toward other fish. It doesn't get along with other dwarf angels Feeding and diet: Rusty angels area omnivore's and like to eat marine algae, mysid shrimp, Spirulina, and other meaty treats. Reef Compatibility: Keep with caution in a reef aquarium; may eat/nip large-polyped stony corals & clam mantles. Cautions: May fight with other dwarf angelfish. Return to Angels