What could cause this to the fins?

[Jeto2004]

Fish are in QT system
Went through PraziPro - lost one fish early on due to heavy fluke
Fish feed for 2 weeks with Metro+ soaked frozen food all happily eating.
Started treatment with Actiflavin 5 days ago - last night I noticed that both firefish were not doing well
Did a freshwater dip and changed 50% of water as I was afraid that this my be due to fluke or ammonia - the ammonia batch was hard to read due to the Actiflavin. Today one fire fish is doing slightly better the other one deteriorated further especially the fins.
Did another 75% water change.

Have two clowns in QT too, both are doing good

What could cause such quick deterioration of the fins?

 

[ndrwater]

Looks like somebody beat the snot out of him...

 

[Jeto2004]

To late for him, went out for a quick dinner and he was dead when we came back.

 

[ndrwater]

Sorry to hear that.....

 

[vetteguy53081]

Aggression all the way.
What other tank occupants? I would guess a clown

 

[ndrwater]

Aggression all the way.
What other tank occupants? I would guess a clown

Apparently a pair of clowns...

 

[Jeto2004]

Yes two juvenile clown, thus far they haven’t cared about the other two at all, completely ignored them.

 

[Jeto2004]

So after your comments I observed the two clowns a little more. And have to say that you have been right - over the last couple of days these two have became increasingly more aggressive. Guess it’s time to move them to the big tank......

 

[vetteguy53081]

They truly are jerks and Very territorial

 

[JenniferMcK]

I can honestly say IME, I hate having a clownfish pair, regardless of species, unless you have at least 70 gallon tank. They beat the crap out of everything I try to introduce in my 50 gal. So I've stuck to just owning 1 clownfish and making sure its teeny tiny when I get it, so it can grow up used to being housed with other fish. I had a black snowflake clownfish pair that killed a kole tang in a 4 gal breeder during quarantine. They're ruthless.

 

[Jeto2004]

Yeah I’m learning. The fish will go into a 260 gal tank - but the QT is a 20 gallon long - now I know that I have to take caution for compatibility during QT......

 

[JenniferMcK]

Yeah I’m learning. The fish will go into a 260 gal tank - but the QT is a 20 gallon long - now I know that I have to take caution for compatibility during QT......

Once in your dt, you shouldn't have no problems at all. Try quarantining the clownfish in a tank seperate from all other fish from now on. That should help