I'm new and I need your help!

[Moonstone]

Hello everyone! I'm Maria and Im new to the aquarium life but I'm very excited to become an expert! But since I'm new and not very good.
I recently purchased a small HQ Rasbora to add to my rasbora community. Everything was good until I saw this morning that the top half of his tail fin is gone! I'm almost certain I did NOT bring him home from the pet store like that. So I assumed it was bitten off by another fish, maybe the Serpae tetras I have? I have placed him in a hatchery box just in case it's fin rot and needs to be treated but I cannot tell if it's fin rot. But if it was BITTEN off, what should I do? How can I help? Any and all advise is welcomed!

[54seaweed]

Hi Maria,

Welcome to AA glad you found us .

If you bring your question down to the freshwater section you should get a faster response with your answer ,

[melosu58]

Welcome aboard. We are glad you found us here at AA.

[Delapool]

Hi, did you get an answer on the tail fin? If it was just a loss from settling in then it should grow back fine as long as the base of the tail isn't damaged. Separating and clean water should do the trick for healing.