telescope butterfly goldfish

Telescope Butterfly Goldfish: Care & Tank Tips

Welcome to our guide on caring for the beautiful and exotic Telescope Butterfly Goldfish. With its captivating appearance and unique features, this variant of the Moor fantail goldfish is sure to mesmerize any aquarium enthusiast. In this article, we will provide you with essential care tips and tank setup guidelines to ensure the health and happiness of your Telescope Butterfly Goldfish.

Key Takeaways:

  • Telescope Butterfly Goldfish are a stunning variation of the Moor fantail goldfish with protruding eyes.
  • They require specific care and tank conditions to thrive.
  • Provide a minimum tank size of 10 gallons per fish with a rectangular shape for better gaseous exchange.
  • Maintain water temperature between 65°F and 72°F with pH range of 6.0 to 8.0.
  • Ensure efficient filtration, regular tank maintenance, and appropriate tank decorations.

Origins and Appearance of the Butterfly Telescope Goldfish

The butterfly telescope goldfish is an extraordinary variant of the Moor or Telescope fantail goldfish. Originally believed to have originated in China, this captivating goldfish breed was first described in 1994 and is commonly referred to as a Demekin in Asia. With its distinct features and unique swimming style, the butterfly telescope goldfish is a true wonder of the aquatic world.

One of the most striking characteristics of the butterfly telescope goldfish is its protruding eyes mounted on stalks, resembling telescopes. These eyes not only add to its charm but also serve a functional purpose, providing the goldfish with a wide range of vision. When viewed from above, the butterfly telescope goldfish presents a stunning display of a butterfly-shaped tail. Its elegant and vibrant colors include hues of red, white, tri-color, black-and-white, and even rare chocolate with orange pom-poms.

butterfly telescope goldfish

Featuring an egg-shaped body, the butterfly telescope goldfish showcases a wobbling swimming style that is both graceful and mesmerizing to observe. It is a true testament to the beauty and wonder of nature.

Distinctive Features of Butterfly Telescope Goldfish
Protruding eyes mounted on stalks
Butterfly-shaped tail when viewed from above
Elegant colors and patterns
Egg-shaped body
Wobbling swimming style

Tank Setup and Care for Butterfly Telescope Goldfish

To ensure the health and well-being of your butterfly telescope goldfish, it’s essential to provide the right tank setup and care. Let’s dive into the key factors you need to consider:

Tank Size for Butterfly Goldfish

Butterfly telescope goldfish need adequate space to swim and thrive. A minimum tank size of 10 gallons is recommended for one fish, with an additional 10 gallons per additional fish. Choosing a rectangular tank instead of a round one provides a larger surface area for gaseous exchange, promoting better oxygenation of the water.

Water Parameters for Butterfly Goldfish

Maintaining appropriate water parameters is crucial for the health of your butterfly telescope goldfish. Keep the water temperature between 65°F and 72°F, and maintain a pH range of 6.0 to 8.0. It’s important to test the water regularly and ensure that ammonia and nitrite levels are always at zero, while nitrates should be kept below 20 ppm. Regular water testing is necessary to maintain optimal water quality for your goldfish.

Filtration for Butterfly Goldfish

Butterfly telescope goldfish produce a significant amount of waste, so an efficient filtration system is necessary to keep the water clean and well-maintained. A combination of mechanical, biological, and chemical filtration can help remove impurities and toxins from the water, providing a healthy environment for your goldfish to thrive.

Tank Maintenance for Butterfly Goldfish

Regular tank maintenance is key to the overall health and well-being of your butterfly telescope goldfish. Performing partial water changes of 20% every week helps remove accumulated toxins and maintain water quality. Additionally, cleaning the tank, including removing uneaten food and waste, and trimming plants as necessary, promotes a clean and healthy environment for your goldfish.

Tank Decoration for Butterfly Goldfish

When decorating the tank for your butterfly telescope goldfish, it’s crucial to prioritize their safety. Avoid using sharp or rough decorations that could harm their delicate fins or eyes. Opt for smooth, natural-looking ornaments such as rocks, driftwood, and live aquatic plants. These not only provide a beautiful aesthetic but also offer hiding spots and enrichment for your goldfish.

Nutrition for Butterfly Goldfish

Providing a balanced and nutritious diet is essential for the health of your butterfly telescope goldfish. Feed them high-quality goldfish flakes or pellets as their primary diet, ensuring it contains a good balance of protein, vitamins, and minerals. Supplement their diet with occasional live or freeze-dried foods such as brine shrimp and bloodworms to offer variety and additional nutritional benefits.

By following these tank setup and care guidelines, you can create an optimal environment for your butterfly telescope goldfish to thrive and remain healthy.

Tank SizeMinimum 10 gallons per fish
Water Temperature65°F to 72°F
pH Range6.0 to 8.0
NitratesBelow 20 ppm
FiltrationEfficient mechanical, biological, and chemical filtration
Tank MaintenanceRegular partial water changes, cleaning, and plant trimming
Tank DecorationAvoid sharp decorations, use smooth and natural-looking ornaments
NutritionHigh-quality flakes or pellets supplemented with live or freeze-dried foods


After learning about the butterfly telescope goldfish, it’s clear that this beautiful and unique fish requires special care and attention to thrive in your aquarium. With a lifespan of 10-15 years, and sometimes even up to 20 years with proper care, these goldfish can become cherished members of your aquatic family.

If you’re interested in breeding butterfly goldfish, it’s important to create the right conditions for successful reproduction. This includes providing colder temperatures followed by a gradual warm-up to simulate spring, which can trigger spawning behaviors in these fish.

When selecting tank mates for your butterfly goldfish, it’s best to choose other fancy goldfish varieties that have similar requirements and temperaments. This will help prevent aggression and stress among the fish and create a harmonious environment.

Like all goldfish, butterfly goldfish are susceptible to certain health issues. Eye injuries, white spot disease, bacterial infections, flukes, and cloudy eye are common problems that can arise. Regular monitoring of their health and prompt treatment when necessary are essential for their well-being.

Overall, the butterfly telescope goldfish is a captivating addition to any aquarium. With their unique appearance and striking colors, they are sure to be a stunning centerpiece. However, it’s important to keep in mind that providing specialized care, proper breeding conditions, compatible tank mates, and attentive health management are crucial to ensure the longevity and well-being of these magnificent fish.

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