Emperor Angelfish

Picture of Emperor Angelfish

Description of the Emperor Angelfish

The Emperor Angelfish is a reef dwelling marine angelfish. Juvenile Emperors are dark blue in color and have blue and white stripes around their body. The adults however, have yellow and blue stripes, with black around the eyes and a white mouth. It can take over two years for the Juvenile's coloring to change to its adult color. The picture above shows an adult Emperor. Like other Angelfish, the Emperor is very territorial and aggressive towards its own species and smaller fish.

Picture of a Emperor Angelfish

Emperor Angelfish

Facts - Information - Picture

Popular Name: Emperor Angelfish
Species: Pomacanthus imperator

Profile of the Emperor Angelfish
This Profile contains interesting facts and information about the Emperor Angelfish species.

  • Size: Up to 40cm

  • Fish Tank conditions: Temp 22-25 Degrees. PH 8.1-8.4

  • Diet / Feeding: Mysis Shrimp, Brine Shrimp, Marine Preparations

  • Temperament: Aggressive towards other Angelfish, keep a single species

  • Habitat: Cave and Ledges at depths of up to 100m

  • Behaviour: Aggressive, territorial

  • Range: Indo-Pacific

Scientific Classification of the Emperor Angelfish
Definition: Scientific classification, or biological classification, is how biologists group and categorize species of organisms with shared physical characteristics. Scientific classification belongs to the science of taxonomy.

  • Species: Pomacanthus imperator

  • Popular Name: Emperor Angelfish - Imperial Angelfish - Dilar - Pata - Red Sea Emperor Angelfish

  • Kingdom: Animalia

  • Phylum: Chordata

  • Class: Actinopterygii

  • Order: Perciformes

  • Family: Pomacanthidae

Interesting Facts and Information - How do you identify the sex of a Emperor Angelfish?
The males and females of many fish species have different colors or different shaped bodies. But there are also other fish species where there is no visible difference. Its sometimes tricky being an ichthyologist!

Interesting Facts and Information - Why are Emperor Angelfish slimy?
Emperor Angelfish secrete a type of mucus, or slime, from their skin. This slime provides protection against parasites and infections and helps the Emperor Angelfish to move through the water faster. Some fish species also release toxins in their slime which ward off enemy attacks. Other fish species use their slime to feed their young.


Interesting Facts and Information -
Why do Emperor Angelfish have gills?
Gills enable the Emperor Angelfish to breathe. Gills consist of thin sheets of tissue containing blood vessels. As water passes over the gills oxygen is absorbed into the blood stream Carbon dioxide passes out into the water. The gills are protected by a large bony plate called an operculum. Some fish species however have lungs and breathe air.

Interesting Facts and Information - Why do the Emperor Angelfish have fins?
A fin is an external appendage or "limb" of a fish. Fins are used for directing, stabilizing, or propelling the different fish species in water. Numbers of fins vary between fish species, but there are usually seven. Each of the fins on a fish are designed to perform a specific function:

  • Dorsal fins - The dorsal fin is located on the backs of fishes. The Emperor Angelfish has Dorsal fins to lend stability in swimming.

  • Ventral fins. The ventral fin is located on the pelvic area of fishes. The Emperor Angelfish has Ventral fins to lend stability in swimming.

  • Caudal fins. The Caudal fin is located on the tail area of fishes. The Emperor Angelfish has Caudal fins to propel through the water.

  • Pectoral fins. The Pectoral fin is located on the breast area of fishes. The Emperor Angelfish has Pectoral fins to for locomotion and side to side movement

Interesting Facts and Information about Emperor Angelfish

Emperor Angelfish

  • Interesting Information about Emperor Angelfish

  • Facts about Fish Species - Why are Emperor Angelfish slimy?

  • Why do the Emperor Angelfish have gills?

  • Facts about Fish Species - Why do the Emperor Angelfish have fins?

  • Species: Pomacanthus imperator

Fish Species

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