kinda off topic but slow growth is not necessarily bad, a lot of older fish/betta keeper and myself believe betta fish used to have longer lifespans of 4-8 years back when heaters weren't readily available for the hobby, compared to most betta fish that have a lifespan of 2-4 years these days with heaters. It could be due to poor genetics from too much line breeding, but in my opinion it has a lot to do with the speeding up of their metabolism/growth rates with constant high temperatures.
This is true - higher temps = higher metabolism = shorter lives. Fast growers tend to have shorter lives compared to runts or those that grew at a normal rate. Breeders have shorter lives, especially if excessively bred. . . . . But I don't know why - don't know the science behind it.
Well does this mean, if you are keeping as a pet and not for breeding purposes, that it is better to keep the betta around the lower temp range (76-78*F) or possibly with no heater at all?
Or, is it possible that keeping a betta for longer doesn't necessarily mean it was happier. For instance, maybe a betta would rather live for 3 years in warm water than 6 years in cold water.
Maybe with tropical fish, a longer lifespan doesn't directly correlate with good care?
And please don't take offense to this! People here that have had long lived Betta, I am sure you kept them alive longer because you kept them healthy. I'm just saying maybe some people (like my sister I meantioned earlier) kept a betta alive for a long time because of cooler water, even though they had a less than good diet and uncycled and dirty water.
But then again, it seems like power feeding and very warm water isn't necessarily healthy either. Or maybe it is?
I don't know. This thread has taken a turn but that's ok with me. Please share your thoughts on this!
And again, I really hope this doesn't offend anyone. I think having kept a betta alive for 4+ years is something to be proud of! And I also understand that breeders need to keep their fish growing and moving at a good pace.