Well, you can officially rename your betta "GrandPa' "
A four year old betta is an
achievement in deed, so you must be doing something right my friend
:). Bettas live on average about 2 years. Many parameters will
affect the life span of a betta, I thought I'd cover a few of them:
strains: Some strains are more
fragile and will live less long. Primarily because the colors
are more recessive, so the strains are a bit more inbred,
lowering their resistance to diseases. So a disease comes, goes
and takes the betta with it.
spawning: Breeders will
usually live less long, because breeding bettas is stressful for
them and takes its toll. In short, die hard single males live
care: the better you care for
your betta, the longer it will live. Clean water is a must.
Keeping a healthy environment for your fish insures that his
stress levels are low and immune system levels up. This will
prevent diseases to take a hold of him. A betta that gets sick
might recover, but usually will not live a long life thereafter,
for it appears to always remain weakened.
space: the more space and exercise
your betta gets, the longer its life expectancy. An experiment
was conducted to this regard, where a betta was kept alone in a
very large tank (I believe it was a 50 gal) and it was provided exercise
every day by being gently chased around a bit with a net. This
specific betta lived to be 5 years old. One might however argue
that chasing your fish around would stress it out and may cause
it to get sick, but for that one fish it seemed to work. I would
not recommend it though.
diet: A good varied diet,
supplemented with vitamins, would give the betta all the
nutrients it needs to better deal with the aging process.
last but not least, GOD ;). I
guess some of us are meant to live longer than others. So some
of it may be destiny I guess.
Meanwhile, congratulation on your
4 year old betta! If any of you out there have kept a betta for 5
years or more, email me right
away and send details of how you cared for it. It might be
interesting to gather some data to that regard.