well it just depends how old it is
No, both male and female goldfish's tails are the same length. The sex of a goldfish does not determine how long a goldfish's tail will be. Usually the parents and what type of variety of goldfish the fish is will.
Female goldfish are usually bigger than male goldfish.
the female lives longer
female
Some goldfish are male, while others are female.
Female giraffes live longer than males.
Female giraffes live longer than males.
Yes, Male cougars live much longer than female cougars, usually 2 to 3 years longer.
No, females live longer
Well yes you need a male goldfish and a female goldfish to have babies but it takes allot of time to breed them.
Usually a female goldfish mates with a male goldfish!
Fancy goldfish can be male or female.