Pyramid Butterfly: Yellow

Hemitaunchthys polylepis

(1 Reviews)

Pyramid Butterfly: Yellow

Pyramid Butterfly: Yellow

Hemitaunchthys polylepis

(1 Reviews)

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Pyramid Butterfly: Yellow Care Facts

Care Level: Easy
Temperament: Peaceful
Diet: Omnivore
Reef Safe: No
Minimum Tank Size: 120 gallons
Max Size: 7 inches

The Yellow Pyramid Butterfly, Hemitaurichthys  polylepis,  is commonly referred to as the Yellow Zoster Butterfly. With its vivid hue, the Yellow Pyramid Butterfly makes a stunning addition to any aquarium.  It has a dark brown-yellow area, the color of which may vary in intensity, fully masks the head and extends to a line from the first rays of the dorsal fin to the start of its pelvic fins. The rest of its body is white, peduncle and caudal fin included. Insertion of yellow-orange areas at the top of the side form a characteristic pyramidal pattern. The Pyramid Butterflyfish is an extremely peaceful species, and should not be kept with overly aggressive fish, otherwise they will remain in hiding and may miss out on feedings. The Yellow Pyramid Butterfly can be kept singly or in true mated pairs, or even in small groups. The Yellow Pyramid Butterfly can grow to be 7 inches, and should be kept in a tank no less than 100 gallons if kept individually, and no less than 130 in kept in a pair. They can also be kept in small groups, in larger tanks. The tank should also have plenty of open space for swimming, along with plenty of  live rocks that can encourages the growth of natural algae.  It is very necessary to feed the Yellow Pyramid Butterfly at regular intervals, several times daily,  or it will occasionally pick at Xenia or other soft corals, but does not bother sessile inverts. They should be fed an omnivore diet, and should include frozen and freeze-dried foods containing algae that can even supplemented with dried Algae and vitamin enriched Brine and Mysis shrimp, finely chopped Crustacean or Mollusk meat, and frozen formulas. The Yellow Pyramid Butterfly is quite hardy and easy to care and makes a good fish for a beginner aquarist.


Yellow Pyramid Butterflyfish (Hemitaurichthys polylepis) for Saltwater Aquariums


Habitat: Exploring the Natural Realm of Yellow Pyramid Butterfly


Originating from the Indo-Pacific region, the Yellow Pyramid Butterflyfish is commonly found in coral-rich areas and reef slopes, displaying an affinity for vertical structures such as steep coral formations. Understanding its natural habitat aids in recreating a suitable environment within the confines of a marine aquarium.


Reef Compatibility: Yellow Pyramid Butterfly and Coral Companionship


Considered not reef-safe, the Yellow Pyramid Butterflyfish will nip at a variety of coral species. As with many butterflyfish, caution should be exercised when introducing them to an aquarium with specific types of corals, especially those with long polyps, as the butterflyfish may show interest in them.


Size and Lifespan: Dimensions and Durability of Yellow Pyramid Butterflyfish


In captivity, Yellow Pyramid Butterflyfish typically reach a size of 6 to 8 inches (15 to 20 centimeters). With proper care, they can have a lifespan of 5 to 7 years, providing enthusiasts with a long-term and engaging addition to their marine setup.


Diet in Captivity: Nourishing Your Yellow Pyramid Butterfly


Maintaining the health of Yellow Pyramid Butterflyfish involves offering a balanced and varied diet. They are predominantly herbivorous, thriving on a diet that includes high-quality marine flakes, pellets, and a mix of fresh or frozen vegetables like spirulina, brine shrimp, and mysis shrimp. Ensuring a diverse diet contributes to their overall vitality.


Aquaculture Availability: Sourcing Your Yellow Pyramid Butterflyfish


Yellow Pyramid Butterflyfish are sourced from the wild. Prospective hobbyists are advised to check with reputable suppliers for the latest information on the availability of sustainably collected wild specimens.


Compatibility with Other Fish and Invertebrates: Yellow Pyramid Butterfly in Harmony


Known for their peaceful nature, Yellow Pyramid Butterflyfish can coexist with a variety of tankmates. Compatible species include Banggai Cardinalfish (Pterapogon kauderni), Firefish Goby (Nemateleotris magnifica), Tangs (Various Species), Blue Green Chromis (Chromis viridis), and Cleaner Wrasse (Labroides dimidiatus).


Sexual Dimorphism: Yellow Pyramid Butterflyfish Mystery


Yellow Pyramid Butterflyfish do not exhibit pronounced sexual dimorphism, making it challenging to distinguish males from females based on visual characteristics alone.


Juvenile to Adult Coloration Changes: The Artistry of Yellow Pyramid Butterfly


Juvenile Yellow Pyramid Butterflyfish boast a vibrant yellow coloration with a distinctive dark bar running through the eye. As they mature into adults, their coloration intensifies, showcasing a rich yellow hue that enhances their overall visual appeal in well-lit aquariums.


Temperament: The Calm Nature of Yellow Pyramid Butterflyfish


Known for their calm and peaceful temperament, Yellow Pyramid Butterflyfish are generally suitable for community aquariums. However, individual temperaments may vary, and careful observation during the initial introduction period is recommended.


Tank Requirements: Creating the Ideal Yellow Pyramid Butterfly Habitat

  • Minimum Aquarium Size: A tank with a capacity of at least 120 gallons is recommended to accommodate their size and allow for ample swimming space.
  • Water Conditions:    
    • pH: Maintain a stable pH level between 8.1 and 8.4.
    • Salinity: Keep the salinity in the range of 1.020 to 1.025.
    • Water Temperature: Maintain the water temperature within the range of 74-80°F (23-27°C).
    • Water Flow: Moderate water flow is suitable, replicating their natural reef habitat.

Common Names: The Yellow Pyramid Butterfly as the Blueband Butterflyfish


The Yellow Pyramid Butterflyfish is also known as the Blueband Butterflyfish.


Why Choose Your Preferred Source for Yellow Pyramid Butterflyfish

  • Diverse Selection: offers a wide range of marine fish, including the Yellow Pyramid Butterflyfish, ensuring you find the perfect addition for your aquarium.
  • Quality Assurance: The platform prioritizes sourcing healthy and vibrant specimens, providing your new aquatic companion with the best start.
  • Expertise: With years of experience in the marine aquarium industry, can offer valuable advice and support, contributing to your success as a marine hobbyist.
  • Convenience: Ordering from provides a convenient way to access a variety of marine species, with shipping options available to deliver your fish safely to your door.

In conclusion, the Yellow Pyramid Butterflyfish, with its stunning coloration and peaceful demeanor, is an excellent choice for marine enthusiasts looking to elevate the aesthetic appeal of their aquarium. By adhering to proper care practices and providing a suitable environment, you can enjoy the beauty of this species while contributing to the diversity of your marine ecosystem. Consider as your go-to platform for acquiring a Yellow Pyramid Butterflyfish, enhancing your marine aquarium experience.

Very good Pyramid Butterfly: Yellow - Central Pacific for your tank. I have lost this species and don't know why. Purchased a new one which just arrived.

Reviewed by: Brian Dogith on Sept. 11, 2021

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