Betta in community aquarium

[EmJay]

It can work. I've kept bettas with CPDs and with Harlequin rasbora successfully. It depends on the temperament of the betta really. The reason I separated my betta is because it became impossible to navigate feeding properly. Either the betta would pig out or the other fish would eat everything before he got to it. It can be done, but it's annoying to manage. Bettas can get unhealthy over time if you're not preventing overeating and managing their diet, which is harder to do in a community tank in my experience.

Thank you. What are CPD's please?

 

[EmJay]

So, here's my experience with red-tailed sharks.
1. They're one of the prettiest fish in the hobby. Lots of personality, too, and almost always out where you can see them.
2. When they're young, they're pretty easy to get along with.
3. When they get older, they turn into tyrants. Mine had a personality change around two years old, and had to be rehomed (in the pet store aggressive fish display tank) because he was completely terrorizing an entire 55 gallon community tank. From what I've read, this is fairly typical.
4. His interest in the other fish wasn't culinary; he wasn't much of a predator and never ate shrimp, snails, or other fish. Just a complete jerk. Again, I think that's typical for this species.

So, if you have an RTS that's playing nice, enjoy it while it lasts, don't get too attached, and have a plan for a new home when it hits puberty.

I've since rehomed the red tail black shark

 

[EmJay]

Hello, I have three bettas who are all very peaceful and content in community tanks. Mine are completely passive and more often it is the other fish who are most assertive of territory. The bettas do have different personalities for sure and if they are placid and don’t appear stressed then I think it’s a positive to have them in a community tank.

Thank you. I'll monitor him

 

[AilyNC]

Thank you. What are CPD's please?

Celestial pearl Danios