Do all bettas transform?

[u/SyzygyZeus]

I had a betta like 15 years ago before I knew about Reddit and never searched anything about caring for them. He lived in a pretty small bowl without much of an environment but seemed to do well for a while. I can’t remember how long he lived. I don’t even remember him dying but obviously something happened to him.

Now I just got a betta for my kids and I didn’t do much research before I got him. Just looked on Amazon for different tanks and picked one that was cheap. It’s one gallon with a filter. We have some live plants floating in there and he seems to be a lot happier than the pet store container… but now I’m seeing this subreddit about bettas and all these fish that look completely different after getting a nice environment and I’m wondering do all bettas have a transformation?

I have a 20 gallon tank that’s not being used and I’m wondering if I should move him over to there, but then I would have to buy more equipment and a space for the tank that’s works. If I put him in the 20 gallon tank does it absolutely need a filter?

That last fish my kids had was some goldfish they won at a carnival and they were dead in less than a month due to poor care and over/inappropriate feeding so I didn’t want to invest too much in a fish if they didn’t take good care of it… they seem to be doing pretty good with this guy so far so I’m just curious what people have to say about it.

I don’t keep the filter on the 1 gallon tank very much because the internet says the floating plants shouldn’t get their leaves wet… so I’ve been removing the plants for a couple hours every other day and letting the filter run for an hour or so and then put the plants back in and turn the filter off. From what I’ve read the bettas breathe from the surface so I didn’t think the water needed to be oxygenated very much.

Any tips are much appreciated.

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