I really love fish, but don't have the space or time (or money) to dedicate to a tank. I have a 2 gallon fish bowl, and while I love betas and miss my red boy Sake, I was hoping to get 2-3 small fish.
Are there any small fish that can live in a fish bowl? Guppies perhaps?
There aren't a lot of good choices for a tank that size. The general rule of thumb is one inch of fish per gallon. That doesn't get you a lot of fish.
Guppies would almost work if you got two females and one male and paid close attention to water conditions. Endlers are a close relative of guppies, but they're slightly smaller than the modern fancy guppy. I wouldn't do all males because they can get aggressive, and two gallons really isn't enough space to keep them from chewing holes in each others fins. I definitely wouldn't do two males and one female; the poor girl will be harassed to death.
I wouldn't do zebra danios or white clouds. They are both very active schooling fish. Keeping two or three in a tank would be cruel. They wouldn't have the swimming room they enjoy, and they'd be unhappy without a group. Most tetras are schooling fish as well and want to be in a group larger than two or three fish. (Pet peeve - I really hate it when people treat fish like decorations instead of the social animals they are. Very disrespectful to a pet not to take its mental health into consideration, even if the pet is just a fish.)
A fish you may never have heard of, the Rocket Panchax, might be worth looking at. They are tiny and gentle. Google
Pseudepiplatys annulatus to find out more about them. My hesitation in recommending them is that they tend to be wild caught, and there is some concern that the pet trade is having an impact on the wild populations.
I personally would stick with a single betta in your situation. They do fine in a two gallon bowl. They do fine living alone. They are bred for the pet trade, so you aren't encouraging irresponsible collection of wild fish stocks.