evil fish

I cycled my 5 gallon tank and put in some live plants and then I introduced 5 neon tetras.... apparently one of the tetras is evil because it chased all the other tetras around relentlessly. I chalked it up to new tank anxiety and decided to turn the lights off in the tank and allow them to get...

So I finally got that sorority started, and had to put Saya behind a barrier. The new additions including Gary the snail. He hasn't come out of his shell since I bought him and it seems like when he tries to, one of the bettas is right next to his shell. I don't know if I should put him on...