How can you tell the difference between male and female pearl gourami?

Male Gouramis are more brightly colored;females are dull colored.amazing!!

It depends on the species. There are at least three different species commonly called 'Gourami'. In the case of Colisia sp. and Helostoma sp. the male is much more colourfull than the female. In...

A female has larger breasts and no penis. A male has a penis and smaller breasts.

Human Beings The difference is that the boy has a penis and an Adams Apple. Girls have no Adams apple and when going through puberty girls get a period for which they have to use tampons or pads.

That depends entirely on the species.