Barred Flagtail - Indo Pacific

Kuhlia mugil

(0 Reviews)

Barred Flagtail - Indo Pacific

Barred Flagtail - Indo Pacific

Kuhlia mugil

(0 Reviews)

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Barred Flagtail - Indo Pacific Care Facts

Care Level: Easy
Temperament: Peaceful
Diet: Carnivore
Origin: Indo-Pacific Ocean
Acclimation Time: 2+ hours
Reef Safe: Yes
Minimum Tank Size: 150 gallons
Max Size: 12 inches

The Barred Flagtail (Kuhlia mugil), also known as the Five-Band or Five-Bar Flagtail, is a silver schooling fish found among the Indo-Pacific Ocean. They have an elongated silver body with a white and black striped caudal fin. Their diet mainly consists of planktonic crustaceans and small invertebrates. They should be fed a mixture of carnivorous preparations, including mysis shrimp, brine or other meaty foods. In the wild they can reach sizes exceeding 16 inches, though they rarely exceed 12 inches in the home aquarium. They should be kept in a tank of at least 150 gallons with other peaceful fish - they may be kept singly or in groups. 

Barred Flagtail (Kuhlia mugil) - Fascinating Addition to Saltwater Marine Aquariums

The Barred Flagtail (Kuhlia mugil) is a fascinating addition to saltwater marine aquariums, known for its unique characteristics and engaging behavior. Native to the Indo-Pacific region, this species has become increasingly popular among aquarium enthusiasts due to its adaptability and captivating appearance.

Habitat of Barred Flagtail:

The Barred Flagtail inhabits coastal waters in the wild, including rocky and coral reefs, sandy bottoms, and estuaries. In captivity, providing a well-structured environment that mimics its natural habitat is crucial for the well-being of this species.

Reef Compatibility of Barred Flagtail:

Considered reef-safe, the Barred Flagtail is a suitable choice for reef aquariums. It generally does not threaten corals or other invertebrates, making it a versatile addition to mixed-reef setups.

Size and Lifespan of Barred Flagtail:

The Barred Flagtail typically grows to 8 to 10 inches in captivity, with a lifespan ranging from 5 to 10 years when provided with proper care and a suitable environment.

Diet of Barred Flagtail in Captivity:

Feeding the Barred Flagtail is straightforward, readily accepting a varied diet. Combining high-quality flake food, pellets, frozen shrimp, and live or frozen brine shrimp will help maintain optimal health and vibrant coloration.

Aquaculture and Availability of Barred Flagtail:

While the Barred Flagtail is less commonly aquacultured than some other marine species, it is occasionally available to hobbyists. Check with reputable suppliers like for availability, as they strive to provide their customers with sustainably sourced and healthy specimens.

Compatibility with Other Fish and Invertebrates:

Known for its peaceful demeanor, the Barred Flagtail is generally compatible with various tank mates. However, avoiding pairing them with overly aggressive or territorial species is advisable. Good tank mates include Firefish, Cardinalfish, Gobies, and peaceful Angelfish.

Sexual Dimorphism in Barred Flagtail:

The Barred Flagtail does not exhibit significant sexual dimorphism, making it challenging to distinguish between males and females visually. Both genders share similar coloration and body characteristics.

Juvenile to Adult Coloration Changes in Barred Flagtail:

As juveniles, Barred Flagtails display a more subdued color palette, with distinctive bars along their bodies. As they mature, their colors intensify, showcasing vibrant yellows, blues, and blacks. This transformation adds an aesthetically pleasing dynamic to the aquarium.

Temperament of Barred Flagtail:

Known for its calm and peaceful temperament, the Barred Flagtail is an excellent choice for community aquariums. It is unlikely to display aggressive behavior towards tank mates, making it a suitable option for both novice and experienced hobbyists.

Tank Requirements for Barred Flagtail:

Providing an adequate environment for the Spotted Sweetlips involves specific considerations. A minimum tank size of 125 gallons is recommended to accommodate their adult size comfortably. Maintain a well-established and stable aquarium with plenty of hiding spots and open swimming space.

  • Minimum tank size of 125 gallons
  • A well-filtered system, ample hiding spaces, and live rock structures
  • Create a comfortable environment for this species

Water Conditions for Barred Flagtail:

  • Maintain a pH level between 8.1 and 8.4
  • Salinity range of 1.020 to 1.025
  • Water temperature between 75°F and 80°F
  • Moderate water flow

Other Common Names of Barred Flagtail:

Other common names, including Barred Rabbitfish, Barred Spinefoot, and Banded Flagtail, may also be known as Barred Flagtail.

Five Compatible Tank Mates for Barred Flagtail:

Why Choose for Barred Flagtail: is a reputable supplier committed to offering hobbyists high-quality, healthy marine species. When purchasing the Barred Flagtail from, customers can expect carefully curated specimens, detailed care information, and excellent customer service, ensuring a positive and rewarding aquarium experience.

In conclusion, the Barred Flagtail is a captivating and peaceful addition to saltwater marine aquariums, allowing enthusiasts to observe its unique behavior and stunning coloration. When sourced from reliable suppliers like, hobbyists can confidently introduce this species to their aquariums, knowing they support sustainable and ethical practices in the marine aquarium trade.

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