Gold Marble Angelfish The gold marble angelfish shows black, white, and gold colors and it's "angelic" body. Despite the name, angelfish can be quite territorial, particularly when they pair up to breed in the aquarium. At that time these fish to not act like angels. Gold marble angelfish are hardy and easy to care for. Scientific Name: Pterophyllum scalare Origin: South America Lifespan: 12 years Max Size: 6 inches Food: Flake, live, frozen Shipping Size: 1 1/2 to 4 inches