Description
Add a touch of fantasy to your aquarium with the Telescope Goldfish, a beloved fancy goldfish variety known for its large, protruding eyes and flowing fins. These juvenile goldfish (5–10 cm) are developing their iconic features, making them a standout addition for both beginners and experienced hobbyists alike.
Whether you’re creating a peaceful goldfish tank or looking for a mesmerizing centerpiece fish, the Telescope Goldfish brings graceful movement, gentle temperament, and a truly unique appearance.
At Splashy Fish, our Telescope Goldfish for sale and other Fancy Goldfish for sale are tank-bred with expert care and shipped with Live Arrival Guarantee. We also offer a wide variety of betta fish for sale, freshwater fish for sale, aquarium plants for sale, and other aquarium supplies to complete your setup.
Key Features:
Iconic “Telescope” Eyes: Protruding eyes that grow more pronounced as the fish matures.
Two Fin Types:
Single Tail: Sleek and streamlined movement
Fantail: Rounded body with twin tails for classic fancy goldfish elegance
Peaceful Nature: Calm and friendly, great for goldfish-only community setups
Hardy & Captive-Bred: Well-adjusted to aquarium life and easy to care for
Product Details
Size: Medium to Large Juveniles (5–10 cm)
Scientific Name: Carassius auratus (Telescope Morph)
Temperament: Peaceful
Tank Level: Mid-bottom swimmer
Origin: Captive-bred
Care Requirements
Temperature: 65–75°F (18–24°C)
pH Level: 6.5 – 7.5
Water Hardness: Low to moderate
Tank Size: Minimum 40 gallons for one fish, +20 gallons per extra fish
Substrate & Decor: Smooth gravel, rounded decorations to protect delicate eyes
Filtration: Gentle filter flow to match their slow swimming style
Feeding Tips
Diet: Fancy goldfish pellets, flakes, gel foods, and blanched vegetables
Preferred Foods: Sinking pellets to minimize floating and prevent swim bladder issues
Feeding Frequency: 2–3 times daily in small portions
Pro Tip: Rotate between dry, frozen, and fresh foods to enhance coloration and eye development
Great Tank Mates
Other Fancy Goldfish (Oranda, Ryukin, Ranchu)
Avoid fast swimmers or nippy species like Comet Goldfish
Compatible with peaceful snails and bottom dwellers (if size-appropriate)
Telescope Goldfish Frequently Asked Questions (FAQs)
Are telescope goldfish hard to keep?
Telescope goldfish are relatively easy to keep, making them suitable for beginners. However, due to their delicate protruding eyes, they require a debris-free environment and should not be housed with aggressive tank mates. A spacious tank of at least 120×60 cm is recommended for a group of adults.
How big do telescope goldfish get?
Telescope goldfish typically grow to 4 to 10 inches (10–25 cm) in length, depending on tank size, diet, and care. With proper conditions, they can reach their full size over several years and live up to 25 years.
Can telescope goldfish see?
Yes, telescope goldfish can see, but their vision is limited and poor due to their large, protruding eyes. This makes them slower to find food and more vulnerable in tanks with fast or aggressive fish, so they do best in calm, well-lit environments.
