How difficult is it to keep Muse Goldfish?

Advanced. This is an advanced-level species. It requires specialized equipment and advanced husbandry skills with precise environmental control.

What is the ideal temperature for Muse Goldfish?

The ideal temperature for Muse Goldfish is 15〜28℃. Avoid sudden temperature changes and maintain a stable environment.

What is the lifespan of Muse Goldfish?

The average lifespan of Muse Goldfish is 10-15 years. With proper care and nutrition, they can live a long and healthy life.

What should I feed Muse Goldfish?

Muse Goldfish feeds on: Prepared foods, frozen bloodworms. Aim for a balanced diet with appropriate feeding frequency.

What is the typical price for Muse Goldfish?

The price of Muse Goldfish varies significantly depending on variety, size, and individual quality. Check our market price page for the latest pricing information.

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Muse Goldfish

Advanced

Carassius auratus

A Japanese variety that emerged from a search for a green goldfish. It has a ryukin body under transparent scales, males mostly yellow and females mostly white, with a short three-lobed tail.

Difficulty

Advanced

Temperature

15〜28℃

Lifespan

10-15 years

Diet

Prepared foods, frozen bloodworms

About

The muse emerged from a long programme of selection aimed at producing a green goldfish. Its breeder, Kawahara Yadoru, was known as a sage of goldfish and continued his work until his death in 2019 at the age of 99. He first obtained a calico tosakin by crossing the calico ryukin with the tosakin, but although the body was good the colour was not what he wanted, so he tried again with the azuma nishiki in place of the calico ryukin. The fish called muse is the one from that calico tosakin in which all colour but yellow and white has dropped away: the body is that of a ryukin, the scales transparent, the tail a short three-lobed one. Yellow appears mostly in males and white in females; it is also called kogane nishiki, and long-tailed fish are called tennyo. Related colour forms are distinguished as ayanishiki, yellow-green and midorinishiki. All are hard to obtain.

Source: Wikipedia (CC BY-SA 4.0)

Lifespan of the Muse Goldfish

The Muse Goldfish lives 10-15 years.

Temperature & humidity for the Muse Goldfish

The ideal temperature for the Muse Goldfish is 15〜28℃.

Basic Info

Origin

Saitama Prefecture, Japan

Lifespan

10-15 years

Temperature

15〜28℃

Diet

Care Specifications

pH: 6–8
Hardness (GH): 5–19 dGH
Water Temp.: 15–28℃

PeacefulGroupBreeding: Very hard

Sources: FishBase (Carassius auratus) / Keihan Nishikigoi Center: goldfish water management / Kingyo Hitosuji: Ryukin

Morphs (Varieties)

Goldfish varieties arose from fixed mutations and selective breeding, and body form, tail form, scale type, colour and head growth are all carried forward by selection over generations. Inheritance is therefore shown as line-bred throughout rather than split into dominant and recessive.

Line-bredEstablished by selective line breeding.

Ryukin body formTransparent scalesShort three-lobed tailYellow or white colour (sex-linked tendency)

Sources: Kingyo Hitosuji: Ryukin

A curated selection of notable morphs. Inheritance modes are a breeding-planning guide; actual appearance varies with combos.