How do you tell the s*x of a goldfish?

Question

a big goldfish..I would like to know if it is a boy or a girl.Grandson wants to name it appropriately

Answer 1

eHow has a great article:

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

Answer 2

i agree with forensic but also it is the size of them females are more rounded than the males in body shape also males can have small pimples(tubicles)on their gills ,the male has more pointed fins than the female  

Answer 3

easy! Take a look under the tail! If there are 2 small fins by the vent it's a girl one fin it's a boy!

Answer 4

You just ask it.

Keep it simple.

:P