It's all in the tail. the males is larger and longer and the females is shorter.
A girl Betta is dull and not as pretty as the male. But, a boy Betta is colorful and pretty to attract the female mate.
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
Yes.
yes
can you tell if a fish is a boy or girl by the tail
No, they are fighting fish. They will kill each other no matter what sex they are.
No, they can live alone or with other female bettas. They might bite each other but won't kill.
A female betta has very small fins with a long body while the male betta have lots of nice flowing fins.
no one
you can tell by the dots or spots on the boy fish and on the girl is just a gold fish colres
Boys have more colors than girls....THE PRETTIER ONE
the boy has a ball sack