How to tell if a goldfish is pregnant<br>Find out if your fish is female. The best way to find out the sex of your goldfish is to ask when you buy the fish, or to consult a vet. That said, females goldfish typically have plump bodies.
The pet shop clerk will know the sex of the goldfish.
( z1 know :ARG0 ( z2 clerk :mod ( z3 shop :mod ( z4 pet ) ) ) :ARG1 ( z5 sex :poss ( z6 goldfish ) ) )