Updated August 5, 2019 Author: Mike - FishLore Admin Social Media:. Emperor Angel fish are omnivorous creatures and their favorite foods is algae and sponges, but also eat small invertebrates. An Emperor Angelfish, Blue Tang, Purple Tang and Yellow Tang feeding on nori attached to an algae clip in a 75 gallon quarantine tank. Emperor angelfish are omnivorous, meaning that they eat both plant and animal matter. In Aquarius you can offer them Artemias, Tubifex, worms, etc., without forgetting the vegetal component (for example, a leaf of lettuce). The Emperor Angel Fish (Pomacanthus imperator), is a species of marine angelfish that is a reef-associated fish, native to the Indian and Pacific Oceans from the Red Sea to Hawaii and the Austral Islands. So far I have offered: Frozen Mystis Shrimp Frozen Sponge/Shrimp mix stuff Live plants Live Brine Shrimp Spectruim Pellets W/ Garlic Extreme Any Ideas? The Emperor Angelfish is also known in some parts of the world as the Imperator or Imperial Angelfish and is one of the more expensive marine fish to purchase. Do not keep with other full size angels of the same or different species.The adult Emperor Angelfish has a bold, blue body covered with bright yellow horizontal stripes culminating in a bright yellow to orange caudal fin. They are both from the pomacanthus genus. Wild Angelfish graze on a variety of foods, including algae, invertebrates and corals. Emperor Angelfish are omnivores, in the wild they eat a wide variety of sponges and encrusting organisms along with small amounts of algae, tunicates, hydroids, and bryozoans. And The emperor will get BIG in that sized tank, like full sized so it could be 15 inches and so could the Koran. The Emperor Angelfish will be much quicker to eat meaty foods and will ignore plant based food, even sponge based foods, when both are fed at the same time. An easy way to ensure their diet is well rounded is to use specially made foods like the new life spectrum, NLS, marine fish formula . I think you might be lucky, but they look extremely alike and the emperor being 4 inches and the koran 2, you could have a problem w/ the emperor. Emperor Angelfish for sale 4Less! Juvenile Emperor Angel Fish have a dark blue base colour with electric blue and white rings. Emperor Angelfish - Pomacanthus imperator. Top Care Facts For The Imperator Angel (Pomacanthus imperator) Care Level: Moderate Temperment: Semi-Aggressive Diet: Omnivore Origin: Indo Pacific Emperor AngelFish’ Behavior: Emperor AngelFish Feeding. They … Like many other tropical saltwater fish, they eat throughout the day, a trait that should be mirrored in their captive counterparts as best as possible. He is + 7 " and full of color and looks great but not acceping treats. I recieved my new Emperor Angelfish last Sat. Emperor Angelfish Diet and Feeding . It is important that you feed angelfish all kinds of live, frozen, and prepared formula foods. A mature emperor angelfish can grow up to 1 feet in length provided that you vary their diet to include shrimp, krill and other small invertebrates.