Illness ID on cardinal tetra

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MacZ

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I have some idea what's happening, but as I have never before had the case I'm a bit unsure how to treat it, so I'd be happy to first get a second opinion.

Tank

What is the water volume of the tank?
20 gallon/80l
How long has the tank been running?
5 months
Does it have a filter?
yes
Does it have a heater?
yes
What is the water temperature?
26°C
What is the entire stocking of this tank? (Please list all fish and inverts.)
7x Paracheirodon axelrodi
8x Corydoras habrosus


Maintenance
How often do you change the water?
1x/week
How much of the water do you change?
25-50%
What do you use to treat your water?
Sera Aquatan / Aquatan Blackwater
Do you vacuum the substrate or just the water?
Just the water, leaflitter substrate.

*Parameters - Very Important
Did you cycle your tank before adding fish?
yes
What do you use to test the water?
strips + drop test for ammonia
What are your parameters? We need to know the exact numbers, not just “fine” or “safe”.
Ammonia: 0.000mg/l
Nitrite: 0.00mg/l
Nitrate: 15-20mg/l
pH: 6.6

Feeding
How often do you feed your fish? , and live foods.
1-2x daily, one fast-day/week
How much do you feed your fish?
the amount they eat within 1-2min.
What brand of food do you feed your fish?
Tetra (flakes), Sera (tabs), and live daphnia.
Do you feed frozen or freeze-dried foods?
Frozen red mosquito larvae

Illness & Symptoms
How long have you had this fish?
4 months, knowing the previous owner, age-estimate is that the fish is about 4 years old.
How long ago did you first notice these symptoms?
first "something's off" 2 days ago, obvious sign of disease today.
In a few words, can you explain the symptoms?
faster breathing, body seems a bit swollen (not enought to call it dropsy), new symptom as of today: white threat-like thing, maybe a worm, on the side of the fish
Have you started any treatment for the illness?
Not yet.
Was your fish physically ill or injured upon purchase?
No.
How has its behavior and appearance changed, if at all?
Behaviour: Not much, keeps it's territorial position, though it seemed a bit exhausted from chasing away conspecifics lately.
Appearance: Besides the bigger belly and that white threat on the side nothing of note.


The situation in detail:

The fish is my alpha cardinal tetra, dominates the tank for 3 of the 4 months I own it now. First thought it's just fat because I fed a lot of live and frozen food lately and when the tetras are full they all breath a bit heavily, so I reduced the amount of food after a short time and two accidental over-feedings.
After I added the new tank mates, on thursday it caught my eye that the fish is a) kinda fat / bloated looking (no pineconing, no usual signs of dropsy), b) heavily breathing although I didn't feed anything that day. Today I also noticed a small thread-like white structure on the left side of the fish. Can't tell what exactly it is though, because the fish mostly doesn't show this side. But it's very clearly no ich.

History of losses in the tank:
Nov. 18th 2019 - Jan 11th 2020: 6x otocinclus sp. 3 dying of starvation, 2 of infection from injuries, 1 sudden death of unknown causes. All cadavers got half eaten by the tetras before removal.
Jan. 20th 2020 - 1x cardinal tetra, cause of death very likely old age and maybe permanent gill-damage from an ich outbreak last year (same batch as the now sick one.), cadaver was untouched on removal
Night of Feb. 13th to 14th 2020: 2x Corydoras habrosus, likely acclimation problems, coming from high pH, going into low pH. Cadavers were untouched on removal.

History of sickness in the tank:
Ich-outbreak Oktober 24th - November 18th. No losses directly by the outbreak, maybe one later death due to permanent damage taken to the gills.

Pictures:
It's just that thing coming from the reflector stripe.

20200215_111208.jpg
20200215_122044.jpg
 
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MacZ

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My Question: Is it flukes? Just need confirmation, after that the path is clear.
 

CichlidJynx

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It kinda looks like anchor worms
 
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CichlidJynx said:
It kinda looks like anchor worms
That is not good... As far as I know there's nothing to do about those, right?
 

CichlidJynx

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MacZ said:
That is not good... As far as I know there's nothing to do about those, right?
So you can use medication, I would use malachite green, formaldehyde, erythromycin. (Hikari Ich-x & API Em Erythromycin)
 
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MacZ

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Both products are not available here. I'm on my way to the store with the biggest choice in meds. We got Amtra, Tetra, Sera, EsHa and JBL available here. I know Sera Tremazol and the corresponding products of the others are out of sale here since 2017.

But thanks, with the active compunds I should be able to do something. :)
 

CichlidJynx

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MacZ said:
Both products are not available here. I'm on my way to the store with the biggest choice in meds. We got Amtra, Tetra, Sera, EsHa and JBL available here. I know Sera Tremazol and the corresponding products of the others are out of sale here since 2017.

But thanks, with the active compunds I should be able to do something. :)
Best of luck, please let us know how it went!
 
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I will. Just got out of the store with Sera Tremazid, only thing they sell here against skin and gill flukes and JBL Aradol against anchorworms. I just hope I only have to dose the former. If not I got the bigger guns immediately at hand.
 

DoubleDutch

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Dermosporidia
 
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DoubleDutch said:
Dermosporidia
How's the contagiousness and what to do about those?
 

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MacZ said:
How's the contagiousness and what to do about those?
In fact it is quite harmless, but only not very esthatical.It is not lethal and not treatable.
 

CichlidJynx

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DoubleDutch said:
Dermosporidia
I’ve never even heard of this, thank you for bringing it to my attention.

MacZ said:
How's the contagiousness and what to do about those?
sorry for misleading you towards anchor worms, I was ill educated
 
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MacZ

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Allright...
 
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Well... makes 30 bucks expenses for nill, BUT who knows when that stuff comes in handy. :D I'll try and get a refund on the harder stuff, the stuff against flukes I'll keep, though.
 

CichlidJynx

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MacZ said:
Well... makes 30 bucks expenses for nill, BUT who knows when that stuff comes in handy. :D I'll try and get a refund on the harder stuff, the stuff against flukes I'll keep, though.
I hope you can cause I’ll feel real bad about it :banghead: I would definitely keep the fluke meds like stated
 
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It's allright. I was still on the bus during saturday shopping rush hour, nervous what exactly happened and no idea if anything is going wrong. I'm finally home now, having done all shopping before I was able to look after the tank. Also did a new ammonia test, last one was from yesterday.

Ammonia is still at 0.000mg/l, so the heavy breathing of (meanwhile) three of the tetras is not caused by ammonia, which is a relieve. I think I'll dose the fluke meds anyway, they are plant based and all we got here anyways.
 
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DoubleDutch said:
In fact it is quite harmless, but only not very esthatical.It is not lethal and not treatable.
How sure are you?
 

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MacZ

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Your diagnosis. :)
 

DoubleDutch

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MacZ said:
Your diagnosis. :)
owww okay. Have a google and compare I'd say.

Pretty common on cardinals and rummynoses.
 
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