Yes but never as large or fancy as a male.
you can tell if its a boy or girl by the fins the male Betta has long fins and the female Betta has small fins
Your betta fish is a female if she has smaller fins than an average male.
A female betta has very small fins with a long body while the male betta have lots of nice flowing fins.
usually a male has longer tail fins but they are about the same for side fins
Male betta's are larger, more colorful, and have much longer fins. Female betta's are small, less colorful, and have short stubby fins.
Male betas are colorful and have large fins. Females have virtually no fins and have no color
If it is a fantail betta, the boy will have very large, flowing fins. If it is a girl, the fins will be short and not very fancy.
Female bettas are usually less colorful and have short fins.
It's white and has very short fins.
Male Betta's have much longer fins and normally have brighter colors and are bigger than the females.
a female beta is rather drab with only a little colouring at the tips of her fins and tail
The males are the colorful ones with the fancy tails. No fancy tail, you have a female, they are dull and usually a brown color.