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Its not as important how big they are but they do need to reach adulthood and by then they will be at least 7-10cm long (not including the tail)
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∙ 8y ago
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Can you breed your goldfish in a ten gallon?
No. A 10 gallon tank is barely big enough to keep a single goldfish in.
Can goldfish breed when indoors?
Yes, goldfish can breed in the home aquarium.
Does a female goldfish have to have a male around to get pregnant?
Well yes you need a male goldfish and a female goldfish to have babies but it takes allot of time to breed them.
When is breed season for a goldfish?
Usually Goldfish breed spring and early summer
How do you breed goldfish in an unheated bowl?
Fancy goldfish need 10 gallons per fish while common and single tail goldfish need 20 gallons per fish. The fish need more space, and they need to be around 3 years old before they are old enough to breed. The fish will be around 4 to 5 inches long w/o tail when they are the right size to breed. A bowl is not the proper home for a goldfish they are too large and messy of fish to live in a bowl. Once they breed you will have around 100+ fry (baby goldfish) that will be 1,000+ gallons of water that will be needed to raise them.
How big of a tank do you need to mate goldfish?
Not really big but at least 30cms
How big does your goldfish have to be to lay eggs?
There is no size requirement for a goldfish to be mature enough to breed. The reason I say this is because so very many goldfish are so badly housed and treated that they may become fully mature but only a couple of inches long. Goldfish can usually breed within a year from hatching if they are well looked after.
What is the best time to breed goldfish?
In late spring of early summer is the best time to breed goldfish.
Will goldfish breed with koi?
Yes they can cross breed.
Where are goldfish breed?
my house
If it is spring why dont my goldfish breed?
Well, they have to be mature also, which is about a few years of age.
Can you have and mate and breed 2 goldfish in a 2.65 gallon tank?
Not happily or healthily. Those goldfish need at least 30 gallons of space to live happily and have a long life. If you do successfully breed your fish, remember to remove the babies ASAP. Goldfish like to eat their babies.
