Betta fish can simply rest at the surface of the water or they may rest on leaves of plants.
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.
You don't have to, but the Betta Fish likes it because they can sleep in the plant.
yes
None are recommended if the Betta is a male.
She breeds with a male Betta Fish.
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.
No. Betta fish will attack each other no matter the sex.
sleep
Yes they will.
Betta dish actually don't sleep, or they'd die.