Emperor Angelfish – Reef Safe | Tank | Size | Habitat | Facts

Emperor Angelfish
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The emperor angelfish, scientific name Pomacanthus imperator is a species of marine angelfish. It is a reef-associated fish, native to the Indian and Pacific Oceans, from the Red Sea to Hawaii and the Austral Islands. This species is usually related to steady populations and faces no main threats of extinction. It is a favorite of photographers, artists, and aquarists due to its distinctive, sensible sample of coloration.

Emperor angelfish profile

In this article, I am going to talk about Emperor Angelfish reef safe, tank size, juvenile, size, tank mates, lifespan, habitat, facts.


This species ranges from coastal East Africa and the Red Sea within the west, to the Tuamotu Islands and the Line Islands. Some populations have been noticed so far as southern Japan to the Great Barrier Reef in Australia, New Caledonia, and the Austral Islands.

Rare sightings have been recorded within the Hawaiian Islands, Puerto Rico, and Florida. These appearances are almost definitely attributable to the aquarium launch.

Since 2010 there have been experiences that the species is colonizing the southeast Mediterranean, almost definitely as an invader by way of the Suez Canal, emperor angelfish for sale.

Emperor Angelfish Description

Juveniles are darkish blue with electrical blue and white rings; adults have yellow and blue stripes, with black across the eyes. It takes about 24 to 30 months for an emperor angelfish to amass its grownup coloring. Full grownup measurement is about 40 cm (15.75 in) in size.

The grownup Emperor Angelfish additionally referred to as the Imperator Angelfish, has a daring, blue body lined with shiny yellow horizontal stripes culminating in a shiny yellow to the orange caudal fin.

Placing blue-black masks cover the eyes and a similarly colored vertical band extends from the pectoral fin two-thirds of the way in which up the body. This band is highlighted in a sapphire blue in front, and shiny yellow, caudally. The mouth is white.

The juvenile is black with round white and blue stripes beginning on the tail. Although wanted for its colors, in captivity, the grownup coloration is probably not as placing or sensible. The altering angelfish will range in coloration and sample because it transforms from juvenile to grownup coloration of imperial angelfish.

The Emperor Angelfish requires a 220 gallon or bigger tank with stay rock for grazing and hiding. They additionally require in-depth rockwork and deep caves to really feel safe.

It will nip at stony and smooth corals (sessile invertebrates) and clam mantles however could also be saved with small-polyped stony corals and considerably noxious smooth corals.

It ought to be fed a food plan of Spirulina, marine algae, high-quality angelfish preparations, mysis or frozen shrimp, and different meaty objects.

Emperor Angelfish Habitat

The emperor angelfish dwells in reef-associated areas at depths starting from 1–100 m. Juveniles stay alone and inhabit outer lagoon patch reefs or semi-protected uncovered channels and reef flats. They act as cleaner fish feeding off parasites and lifeless pores and skin of bigger fish species.

Subadults transfer to reef entrance holes and surge channels, whereas mature adults are present in caves in areas of wealthy coral progress on the clear lagoon, seaward, or channel reefs. Males are territorial.

Emperor Angelfish

Emperor Angelfish Colors and Markings

The Emperor Angelfish juvenile has a daring distinction of royal blue, black, and white stripes extending throughout its body in an arch sample with spots on its dorsal, caudal, and anal fins.

They are very related in look too juvenile Koran Angelfish (Pomacanthus semicirculatus), also referred to as the Semicircle Angelfish. You can distinguish between the 2 by the whole white circle on the tail base of the Emperor Angelfish whereas the Koran has a “c”-shape imperial angelfish.

Adults are brightly colored with yellow and darkish blue stripes horizontally throughout the body. The mouth will likely be white or light gray with the brow and operculum a darkish blue to black.

Although it could not seem like it, this sample is great for mixing in with a colorful reef background. The stripe sample helps break up a fish hiding in a reef with contrasting light and shadows.

Emperor Angelfish Tankmates

As a semi-aggressive fish, Emperor Angelfish might not play nicely with more peaceable fish. They will naturally prey on invertebrate species, together with smooth corals, sea stars, clams, and anemones.

It is greatest to maintain solely as soon as grownup Emperor Angelfish per tank. If you may have a number of fish per tank, it’s best to maintain fish in bonded male-female pairs.

The greatest tankmates for the Emperor Angelfish are smaller, aggressive fish, equivalent to dottybacks, wrasses, and damselfish.

Large semi-aggressive fish, equivalent to tangs and different giant angels ought to be intently monitored, however might get alongside okay if correctly launched all of sudden to restrict competition for territory and in a sufficiently big tank. Remember, Emperor Angelfish wants a minimum of 175 gallons to start out.

Emperor Angelfish Biology

Juveniles are encountered beneath ledges or in holes of outer lagoon patch reefs or semi-protected areas of uncovered channels and outer reef flats. Subadults transfer to reef entrance holes and surge channels imperator angelfish.

Large adults inhabit ledges and caves in areas of wealthy coral progress on the clear lagoon, channel, or seaward reefs. Benthopelagic. Feed on sponges and different encrusting organisms; additionally on tunicates.

Form pairs. Young and adults might clear a lot bigger fishes equivalent to sunfish. Frequently exported by means of aquarium commerce. Juveniles are distinguished by a white dorsal-fin margin

Emperor Angelfish Diet

The emperor angelfish is omnivorous, feeding on each small invertebrates and crops. Sponges and algae make up their major food plan.

The fish has cumbersome, robust jaws for chewing up the sponges, which are made up of tiny, needle-like items of silica. The digestive tract coats the meals with a layer of mucus to guard the intestine against the sharp silica.

Emperor Angelfish Care

This kind of fish isn’t for the newbie fish keeper. Advanced intermediates who’ve mastered saltwater tank setup and care are the ones who ought to contemplate these energetic juvenile emperors angelfish.

In the wild, one Emperor Angelfish might have a really giant territory, so this may translate to giant tank measurement. 175 gallons is the naked minimal for one particular person, however greater is all the time higher, it doesn’t matter what kind of fish you retain. Like many different marine tropicals, protecting their water with high quality pristine is essential to good health and longevity.

Since they wish to graze, having prepared entry to stay rock is essential. You ought to plan on having slightly further as they nibble it down. Emperor Angelfish additionally wish to discover a cave of their very own, so ensure there are many spots for all fish varieties within the tank who like a comfortable cave.

Keep in thoughts that your invertebrates, together with clams, corals, and sea stars, could be nipped by Emperor Angelfish, so both give them locations to cover or maintain them out of the tank.

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Sexual Differences

Although very refined, grownup female and male Emperor Angelfish differ in color. Males could have darker coloration simply behind their eyes and feminine colors total are typically much less vibrant.

Without having a sexually mature female and male subsequent to one another, it is extremely arduous to distinguish the sexes. Males additionally are typically barely bigger than grownup females.


Pairs of emperor angelfish ascend to the floor of the water to mate in a space the place fertilized eggs will be taken away on currents. This permits the eggs to disperse and sends them away from predators dwelling within the reefs below juvenile emperor angelfish. Learn about blobfish predators.

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