mabe because you are over feeding it
Male Betta fish make bubble nests when they are happy ^^ I have only had male Betta fish and after a day or two of playing with them and feeding them or even just talking to them they make their nests to show you that you made them happy.
Your betta fish is a female if she has smaller fins than an average male.
Some male betta fish are not as aggressive as others.
male
Yes. Betta Fish do change their coloer every now and then. Or if you have a male, he will change his coloer if hes chaseing a female Betta Fish. Or if he sees another male Betta Fish.
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.
yes
Male Betta's are solitary. They cannot be placed with other fish. That's why they are known a Japanese fighting fish. They will kill other fish for territory.
None are recommended if the Betta is a male.
She breeds with a male Betta Fish.
No. Betta fish will attack each other no matter the sex.