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They get to about 4 inches but have been reported to grow up to 10 inches.


8-10 inches long depending on how big the tank is.

For all types of fancy goldfish, (yes, black moors are classed as fancy goldfish!) 20 us gallons (75 litres) for the first fish, and 10 us gallons (about 37 litres) per additional fish (for example, if I wanted two fancy goldfish, I would need a at least a thirty US gallon (120 litre) tank if I wanted the two fish to reach their potential size and life span. if you use a smaller tank it stunts their growth and they tend to not live as long. if given proper care and an adequate tank size, they get to 10 inches they can live for 25 years.

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11y ago
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14y ago

Keep in mind these basic rules :- 1 inch of fish needs at least 1 gallon of water . All fish need a cycled filter running 24/7. Every tank needs to have at least 50% of its water changed weekly. Black Moors are a variety of Goldfish and will grow to around 10 inches given proper housing and water conditions. So the minimum sized tank you need for a black moor is about 13 gallons.

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13y ago

About 5 to 8 inches.

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Q: How big can a black moor goldfish get?
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Related questions

Why black moor fish is called goldfish?

Goldfish as ornamental fish, come in a variety of shapes and sizes, of which the black moor is one.


What does it mean when your black moor goldfish swims in a not normal position?

it will live


What is a black goldfish?

There is a popular bred of goldfish called a black moor. It has an egg shaped body, has protruding globe like eyes and is black in color.


What kind of guppies go well with a black moor?

None, goldfish should only be housed with other goldfish.


How long do black moor goldfish live?

15 years if they are treated properly


How big does your tank have to be for a black moor fish?

A Black Moor goldfish needs an aquarium of at least 30 gallons if they are going to thrive. This is because goldfish are essentially pond fish, so they need plenty of space to swim around. A tank smaller than 30 gallons will lead to an overall unhappy, unhealthy pet.


When is mating season for black moor goldfish?

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Does comet goldfish eat black moor goldfish?

Goldfish are opportunistic omnivores and will eat whatever they can. This may include a much smaller fish or a deceased fish.


What do blackmoor fish eat?

a black moor can eat goldfish flakes and i know is because i have one:-)


What are some of the breeds of goldfish?

Some common breeds of goldfish are: the Black Moor goldfish, the Ryunkin goldfish, the comet goldfish, the common goldfish, the Calico Fantail goldfish, the telescope eye goldfish, the bubble eye goldfish, the pearl scale goldfish and the Oranda goldfish.


How did your black moor goldfish die?

my blackmoor goldfish just sits at the bottom of the tank and does nothing is he dieing or just likes sleeping alot?


How do you stop your black moor goldfish from turning gold?

If it is a young fish it is just getting its colours. They are all (uncoloured) ie. blackish, brownish, greyish, as youngsters.