Do male or female betta fish live longer?
Betta Tip: The female betta fish will usually live a bit longer by a few months than a male betta fish. However, most people prefer males because they are much more colorful and have longer and fancier fins.
How do you know if your betta fish is dying?
Other signs that offer a clue to knowing when a betta fish is about to die include discoloration along the fish’s body, such as white or brown spots. Strange swimming movements or a shortening / eating away of the fins can also point to severe illnesses.
How old are bettas in pet stores?
Because a Betta purchased at a pet shop is often one year old already. Males, in particular, are allowed to fully mature, so their fins and colors are well developed. Females may be sold at a bit younger age, but they will generally be at least six months old when offered for sale.