Fishes die one after other

[laureano]

Hi Everebody,
I had a biocube 32 for 6 month: 1 Damesel, 1 Pseudochromis, 3 clown.
All water the parameters are ok.
Last monday, the pseudochromis die suddenly.
2 day after, the Damesel.
Yesterday one of the clowns.
And i guess the latest clown will be the next one.

I am changing 25% water every 15 days regulary (with RODI)

Do you know what could be happened ?

 

[vetteguy53081]

What is your:
Ammonia
Nitrate
Phosphate
Ph
Temperature
Salinity

What test kits are you using ?
Age of tank ?
Type of water you’re using?

 

[NeonRabbit221B]

White light helps if you can reduce the blues on lights, hard to see anything on the clowns in the pics. I would lean toward a disease.

 

[fade2black]

Yes, sounds like a disease. Any clear pictures of the deceased fish?

 

[laureano]

What is your:
Ammonia ~0.15
Nitrate~10ppm
Phosphate~ 0.25
Ph ~8
Temperature ~ 81
Salinity ~1.26

What test kits are you using ? API and Salifert for Ammonia

Age of tank ? ~6month
Type of water you’re using? RODI

Thanks !

 

[laureano]

White light helps if you can reduce the blues on lights, hard to see anything on the clowns in the pics. I would lean toward a disease.

Thanks !... se attached ones

 

[laureano]

Thanks !... se attached ones

It does not seem to be inch, but they had like a white "mucus' in the head (?)

 

[DinoMagnet]

White film on top of head? (Brook maybe) And tail looks like it’s been nipped.

 

[Jay Hemdal Verified Community Expert]

It does not seem to be inch, but they had like a white "mucus' in the head (?)

I do see some spots that I can’t rule out as ich. The clown also has some fin damage from fighting . Were any of the affected fish breathing fast/heavy?
Jay

 

[Yasmar01]

I see what looks like spots possibly ich. Did you introduce any new fish to the tank recently?

 

[laureano]

White film on top of head? (Brook maybe) And tail looks like it’s been nipped.

See the blue circle (was the same in the PseduChromis and in th Damesel)

 

[laureano]

I see what looks like spots possibly ich. Did you introduce any new fish to the tank recently?

no....everything was stable for 3 months

 

[Topekoms]

Brook

 

[Aqua Man]

Could also be abrasions from fighting. What were you feeding and how often?

 

[laureano]

ere any of the affected fish breathing fast/heavy

yes....they start to

Brook

Thanks ... what could be the root cause ?

 

[NeonRabbit221B]

Brook looks to be culprit but the specks do look like Ich as well.

 

[vetteguy53081]

Thanks !

As suspected API test kit which is likely giving you false readings
Take a good water sample to a trusted LFS that does not use api test kits and have them test the water and see what results they come up with

 

[vetteguy53081]

Been flying part of the day. Now that I see pictures- brooklynella
It represents ich but this is also a parasite that primarily attacks the gills first. At the onset, fish may scrape up against objects, rapid respiration develops, and fish often gasp for air at the surface as the gills become clogged with mucus.
The most noticeable difference that sets Brooklynella apart from Oodinium is the heavy amount of slime that is produced by a fish that has contracted this parasite. As the disease progresses, a thick whitish mucus covers the body. This will usually start at the head and spread outward across the entire body. Skin lesions appear and it is not uncommon for signs of secondary bacterial infections to arise, such as redness and fin rot.
Typically a standard formalin solution is mixed with either fresh or saltwater in a separate treatment container. Initially, all fish are given a quick dip in the formalin at a higher concentration, followed by continued treatment in a prolonged bath of formalin at a lower concentration in a quarantine tank (QT). Of course, the longer the fish are exposed to the formalin treatment, the more effective it will be at eliminating this disease.