injured fins

My pink glofish tetra has developed this weird bulb on their fin not too long ago, and from looking it up and testing my tank (PH, Ammonia, Nitrate, and Nitrite, which all came out normal/nonexistent — I’ve had this tank for a few years now), I assumed it was too much oxygen. I had been letting...

I have 6 male guppy’s and they all seem to have some type of trauma to the tail, some look freyed and split and others look like chunks are missing. I’ve been monitoring this for a while and removed fish and ornaments incase it was overcrowding problem and still hasn’t improved. I’m wondering if...

Hi everyone, I am pretty new to owning fish. I've had these fish for a little over three months now and this is the first time I'm noticing any problems. I have 2 black panda mollies, an albino bristlenose pleco, and a snail (I think it's a zebra nerite snail). A couple of days ago, I realized...

I purchased a black moor 6 days ago from my local PetSmart to add to my oranda tank, but as I got home from the store I noticed many holes in her fins. I decided to quarantine her and treat with pimafix and melafix. After 6 days I have noticed no changes in the holes on her fins, and the other...

Recently my husband decided he wanted to start a North American Native tank & we have received 5 young (probably 1 week - 4 week old) Green Sunfish. In attempt to have 1 less tank in the house (yeah..right.  ) We decided to add our shubunkin koi to the tank (5)  because we had heard of people...