I'm ashamed to admit that I had this one for my first betta
Here's another tank that is .5 gallons. Definitely not a proper living space for a betta. Admittedly I have it so that I can take some nice pictures of my boys against a black background-don't even use the reversible backgrounds
. Also, they do not go in this often-only used it once-and it's only during full water changes, so I use their old water to take the pictures in this.
My DSPK in this without the background:
I don't understand why people think tanks like this are good environments for bettas. They're just not. If you really want a decoration, go get one of those fish bowls with the fake fish (catches people's eyes since they think it's real-and it's not!). I really wish people would see sense and do their research like all of the wonderful people on here