In the right conditions and well cared for, 4-6 years
Bettas only live a couple of years.
3 years
Bettas are mature at around 6 months and old at 3 years. They are expected to live around 5 years but could last longer given ideal conditions.
No bettas live for 2 years. goldfish live for long as 25 yaers if conditions are clean.
nothing they have to live by themselves
no
He will kill every one of the females if they are left with him. Bettas have evolved over millions of years to chase away any other member of the same species. That is what Bettas do to other Bettas.
yes
NO! They are freshwater fish.
Contrary to common belief, bettas DO NOT live in tiny puddles or footprints. Bettas live in rice patties in the far east. These rice patties are the size of the drainage ditches along most major highways, and are stacked next to each other for hundreds of acres. Male bettas often claim entire patties as their territory
Malaysia and Indonesia.
Daphnia, mosquito larvae, and brine shrimp are good choices for bettas.