Ok, so I have a ten gal. tank, a very chill betta and a Marina Slim15 filter. My tank is on its way to being nicely planted with lots of hiding places. I have been finding a lot of mixed results about adding cardinal tetras to my tank. There are also two Amano shrimp in the tank already.
I would like to add 5-6 tetras to create a school.
I have 4 concerns.
1. Will this put my bioload to high
2. Are cardinals fin nippers.
3. My betta is established in the tank, he is super chill, but what is the likelihood that there is a problem when introducing the new fish.
4. Do Cardinals need and air supply.