How much do goldfish cost?

Common varieties like wakin and ryukin cost 300-2,000 yen, ranchu 3,000-30,000 yen, and show-quality specimens can reach tens of thousands to hundreds of thousands of yen.

Can beginners keep goldfish?

Hardy varieties like wakin, ryukin, and telescope goldfish are recommended for beginners. A tank and filter are all you need, and no heater is required.

How long do goldfish live?

With proper care, goldfish live 10-15 years, and some individuals can live 20+ years. Water quality management and proper feeding are key to longevity.

What should I check when buying goldfish?

Look for symmetrical body shape, stable swimming, well-formed fins, and no injuries or white spots. Breed-specific aesthetic standards are also helpful references.

What should I be careful about when keeping goldfish?

Overfeeding causing poor water quality is the most common issue. Feed 1-2 times daily in amounts eaten within 2 minutes, and never skip weekly water changes.

Goldfish Encyclopedia — 77 Species Directory

Encyclopedia of popular goldfish varieties with care guides, traits, and show standards.

All Beginner Intermediate Advanced

Rare Ranchu Calico Hardy Ryukin Top view Wen Show Telescope Elegant Tricolor Chinese variety Red-white Oranda Pompom

Showing 6 of 77 species

Blue Telescope / Seibungyo

Carassius auratus var.

Intermediate

A variety originating from China, a type of telescope goldfish with characteristic bluish-black body coloration. Unlike the black telescope, it has a deep, lustrous blue-black sheen. Popular among enthusiasts in Japan for its rare coloration.

TelescopeBlue-blackChinese origin

Butterfly Telescope

Intermediate

A telescope eye goldfish with butterfly-wing spread tail. Top-view tail shape is main viewing point.

ButterflyTelescopeTop view

Calico Telescope

Intermediate

Calico version of telescope goldfish. Red-white-black pattern with protruding eyes is distinctive. Each fish has unique markings.

CalicoTelescopeTricolor

Dragon Eye Pearlscale

Carassius auratus var.

Advanced

Cross between Telescope Eye and Pearlscale. Combines protruding eyes with round pearlscale body. Popular fancy goldfish in China, increasingly available in Japan.

TelescopePearlscaleChinese variety

Panda Telescope

Carassius auratus var.

Intermediate

Telescope goldfish in panda-like black and white. Chic monochrome beauty is popular. Many lose black coloring with age.

Panda patternTelescopeMonochrome

Red-White Telescope Eye

Carassius auratus var.

Intermediate

Telescope Eye goldfish with beautiful red and white coloration. Protruding eyes add charm. Sarasa-patterned telescopes are relatively rare and popular with collectors.

Red-whiteTelescopeSarasa

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Goldfish FAQ

How much do goldfish cost?: Common varieties like wakin and ryukin cost 300-2,000 yen, ranchu 3,000-30,000 yen, and show-quality specimens can reach tens of thousands to hundreds of thousands of yen.
Can beginners keep goldfish?: Hardy varieties like wakin, ryukin, and telescope goldfish are recommended for beginners. A tank and filter are all you need, and no heater is required.
How long do goldfish live?: With proper care, goldfish live 10-15 years, and some individuals can live 20+ years. Water quality management and proper feeding are key to longevity.
What should I check when buying goldfish?: Look for symmetrical body shape, stable swimming, well-formed fins, and no injuries or white spots. Breed-specific aesthetic standards are also helpful references.
What should I be careful about when keeping goldfish?: Overfeeding causing poor water quality is the most common issue. Feed 1-2 times daily in amounts eaten within 2 minutes, and never skip weekly water changes.