Flagfin Angelfish

Picture of Flagfin Angelfish

Description of the Flagfin Angelfish

The Flagfin Angelfish is also commonly known as the three-spot angelfish and can be easily identified by its vibrant yellow coloring and its bright blue 'lips'. It has a large spot above its eyes and a further two spots by its gills, hence the name 'three-spot angelfish'. Like other angelfish, only a single species should be kept in a tank to avoid aggressive behaviour. The Flagfin Angelfish is hermaphroditic and visibly you cannot distinguish between males and females.

Picture of a Flagfin Angelfish

Flagfin Angelfish

Facts - Information - Picture

Popular Name: Flagfin Angelfish
Species: Apolemichthys trimaculatus

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

  • Size: Up to 26cm

  • Fish Tank conditions: PH 8.1-8.4

  • Diet / Feeding: Frozen food, Brine Shrimp

  • Temperament: Can be aggressive

  • Habitat: Reef Dwellers at depths of up to 40m

  • Behaviour: Peaceful fish provided a single specimen is kept

  • Range: Indian Ocean, Pacific Ocean

Scientific Classification of the Flagfin 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: Apolemichthys trimaculatus

  • Popular Name: Flagfin Angelfish - Threespot Angelfish

  • Kingdom: Animalia

  • Phylum: Chordata

  • Class: Actinopterygii

  • Order: Perciformes

  • Family: Pomacanthidae

Interesting Facts and Information - How do you identify the sex of a Flagfin 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 Flagfin Angelfish slimy?
Flagfin Angelfish secrete a type of mucus, or slime, from their skin. This slime provides protection against parasites and infections and helps the Flagfin 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 Flagfin Angelfish have gills?
Gills enable the Flagfin 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 Flagfin 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 Flagfin Angelfish has Dorsal fins to lend stability in swimming.

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

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

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

Interesting Facts and Information about Flagfin Angelfish

Flagfin Angelfish

  • Interesting Information about Flagfin Angelfish

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

  • Why do the Flagfin Angelfish have gills?

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

  • Species: Apolemichthys trimaculatus

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