yes, as long as they're enough room in the tank they will figure out a pecking order and settle down.
Np, but they will bite. Yes, they will fight to the death.
yes
She breeds with a male Betta Fish.
it looks like they have a big bubble in their side
No. Betta fish will attack each other no matter the sex.
Your betta fish is a female if she has smaller fins than an average male.
Yes they will.
The Betta fish want to kill eachother. That's what all Betta fish want to do, that's a natural thing.
the female betta fish are released from a vent while a male embraces her
No.
male
yes betta fish have to live alone or one will kill the other.