Males have long, flowing fins, and the females have short fins. Females also don't usually have bright or a lot of colors unlike the males.
Your betta fish is a female if she has smaller fins than an average male.
A male beta fish blows a lot of bubbles. so if there are a ton of bubbles at the top of the bowl or tank, your fish is most likely a boy.
This is the LAST thing you want to do! Putting a male betta fish in with another male is horrible because male bettas will fight to the death...not good!
Male betta's are more colorful then female's
From a female Betta. Then the male Betta fertilizes them when they breed together.
If you would like to know what gender your betta is, look for the egg spot. (for females) It should be a small white cloud between the head and body. If your betta has one, it's a female. If your betta doesn't have one, it's a male.
A male is much more aggressive than a female betta. A male also has longer and more colorful fins. Never have two or more males together in the same tank.
If the female is chubby around the tummy area you could add her but be prepared to remove her if the male gets too boisterous. If he starts building a nest then you know you are in with a chance.
male
She breeds with a male Betta Fish.
from my own personal studies in aquarism i concluded that the male will wrap-around the female depositing the eggs into the male who will place them into a bubble web at the top of the tank. p.s. what sex is your betta?
it depends i have a male with a female betta, in a 2.5 gallon tank,they get along, i wouldnt risk it, no