Jump to content

Oto cat fin missing


Randall from Texas
 Share

Recommended Posts

100 gal discus community tank. 5 small discus, tetras, bumblebee cats, salt n pepper Cory's, giant oto, and regular Otos. One of the oto is missing its tail, the attached pic shows another oto with something I need help identifying.

40 nitrate 

0 nitrite 

8 pH 

85 degrees

CO2 injection 2 bps

Airstone

How much salt can I put in a 100 gal planted tank?

I have the 2 Otos in my 10 gal quarantine with ERYTHROMYCIN now. 

 20210612_205621.jpg.a6becdd6c23d3f9511a3a9cc6163ec47.jpg

 

 

 

 

 

 

 

Link to comment
Share on other sites

Plants don't do so well with salt, you might want to salt in Quarantine as well.   Is your tank normally at 85 degrees.  Pepper Cory's are one of the lower temp Corydoras, 76-79 degrees.  Hope you can bring your Otos around.   

  • Like 1
Link to comment
Share on other sites

That looks like an abrasion, a wound. It may be an infection of some kind as well. I would treat with maracyn in a quarantine tank. A plastic container from Walmart will do fine if you don't have an extra aquarium. Maracyn package warns that it can affect your beneficial bacteria it is an antibiotic.

  • Thanks 1
Link to comment
Share on other sites

Had to break out the API kit, didn't have time last night. 0 ammonia, and I found that my CO2 is bringing my pH down to 7.6 during the day.

I just found a dead oto that looks like he had been chewed on too. So I think you are right HH Morant they're abrasions.

I have the others in my quarantine tank but I've had trouble treating catfish in the past. They are sensitive to some meds.

Does anyone have experience with a blue eye lemon pleco being super aggressive? That's the other catfish I left off the list and the only thing that I have that I would think is capable of doing this.

Link to comment
Share on other sites

Sometimes larger fish try to eat otos because of their small size. I would guess that is happening here, except that there doesn't seem to be a credible suspect in the tank for that kind of behavior. Maybe it is, as you suspect, territorial aggression among bottom feeders. I have bristlenose plecos, but they show aggression only towards one another.

Link to comment
Share on other sites

The abrasion can be the starting place for a fungal or bacterial infection, so I think you are right to treat it with erythromycin. You have to watch water quality closely because the erythromycin can kill any good bacteria you have in your quarantine tank.

  • Like 1
Link to comment
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
 Share

×
×
  • Create New...