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It takes 2 or 3 months for a houshold pet goldfish to mature, you can tell if it's a female by that time because they will have some white speckles on their lower fins. Plus, though the common goldfish lives for about 2 days in a bowl, but if you get a 10 gallon tank for it and feed it every morning and night until it's mature, then once a day when it's mature, it can live for a long time; I had a goldfish that I cared for ( the pet goldfish not pond goldfish), and it lived for 9 years! ( It just died :( ) But look for red and/or white spots, split fins, or enlarged eyes as these can be deadly but simply buying medicine from the pet store will save your pets life.
Wiki User
∙ 12y ago
Wiki User
∙ 14y agoIf by adult size you mean 'mature enough to breed' then they do that in 1 or 2 years and can breed at a couple of inches long. If you mean 'fully grown' Goldfish continue growing for their whole life which can be 50+ years and can get to 5 or 6 feet long and weigh many Kilos.
Wiki User
∙ 14y agoThe amount of time it takes a goldfish can greatly vary. Most goldfish are full grown at the age of 2-3 years however they cannot reproduce until about the age of 3. For others, they are not fully grown until three years of age but can reproduce at only 1 year of age. You can generally expect your fish to completely grown and sexually mature at 3 years of age.
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Do goldfish come from poor breeding stock if they take a long time to develop mature goldfish colouring?
Not neccessarilly. There are some very well bred fancies that are slow to colour up.
How long does it take for a common goldfish to mature?
probably a few weeks if he is in a new home especially if you have a dog or pet because they have to get used to the others
How long for a goldfish to have a baby?
it takes about a year for a gold fish to become sexually mature
When do sarasa comets become sexually mature?
They are Goldfish and so they mature and breed as goldfish. They can be sexually mature at 1 year if they have been well housed and well looked after.
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.
How long does it take to freeze a goldfish?
43.2 seconds
How long does it take for a goldfish hach?
8 to 9 days
How long does it take to train a goldfish?
2-3 months
How long do goldfish live for when you feed them and take care of them properly?
Goldfish are carp. Carp can live to 100 years.
If it is spring why dont my goldfish breed?
Well, they have to be mature also, which is about a few years of age.
How long does it take for an armadillo to mature?
Armadillos are sexually mature at one year of age.
How long will it take to turn a goldfish white?
When ever you don't feed him or her.
