How to know if the Goldfish is boy or girl?

Question

How to know if the Goldfish is boy or girl?

Answer 1

the fins

males fins are sharper than females

females are more round-er

lol

buts thats how u tell!

Answer 2

male will develope white tubercules on his gills (white pimples) while spawning and then when the male mates with the female the feamale will get chased and then a few months later the feamle gets a big tummy.

edit

dont you think thats mean to say that other people are wrong and both zoo tycoon and sierra are right??????

Answer 3

if it grows boobies then its a girl!!

Answer 4

check  if one has a v****a its a girl , ifthe other has a p***s its a boy ,  duh  

Answer 5

It's very hard, even the pros have hard times doing it.

Males will have breeding tubercles on their gill covers like this: http://www.bristol-aquarists.org.uk/gold...

http://www.bristol-aquarists.org.uk/gold...

http://www.bristol-aquarists.org.uk/gold...

Female's vents will appear to curve outward like this: http://www.bristol-aquarists.org.uk/gold...

http://www.bristol-aquarists.org.uk/gold...

Here's some more links on sexing Goldfish: http://www.geocities.com/Tokyo/4468/fish...

http://www.bristol-aquarists.org.uk/gold...

http://www.fishpondinfo.com/gfish3.htm#s...

http://thegab.org/Articles/SexingGoldfis...

http://www.ehow.com/how_2146225_sex-gold...

Pay no attention to the above answers, except for Sierra.

E-mail me for any questions!

EDIT: You're right as well :P

Answer 6

You have to wait until they reach sexual maturity, about 3 years of age. The males will develop breeding tubercules, which can be seen in pictures on this site:

http://www.bristol-aquarists.org.uk/gold...

The females have bigger vents than the males. But other than that it is pretty difficult to s*x goldfish.