I Might Give Up...is This Columnaris

Jenoli42

Team. Please help.

Established fantasy bowfront tank. Weekly 25-30% pwcs. parameters:

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(ps: the .05 ammonia reading on 3 june is my way of saying "did I see slight green tinge or is the lighting bad" ... likely lighting as this tank is solid. next day was dead zero but didn't record.)

Had an EBJD who died mysteriously 10 days ago. can post thread link if you want.

noticed what I assumed were nipped fins in a few sterbaI about 5 weeks ago. assumed it was our EBJD. decided to wait a few weeks to see if I needed to rehome after EBJD died. fins for most seemed to get better. . but now I fear they've had early signs of columnaris not nipped fins?? other theory is the EBJD was picking on the sterbaI & that stressed it out & columnaris set in.

smallest sterbaI was acting odd today. I caught it & it's in a breeding net.

it has cottony fungus like growth on one side of its mouth and the tip of one of its bottom side fins. possibly also fin on its back.

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also noticed another sterbaI with pale patch on side of its head but can't get a photo.

stock:
7x sterbai
15x Odessa Barbs
1x firemouth
4x mystery snails
4x sucker fish

now I can't tell if *everyone* is exhibiting flashing. they do that to flick up food but I reckon I'm seeing it when I shouldn't.

but I can say they haven't been eating the jbl novo tabs the last 3 nights. they're eating frozen meat but this is odd behavior. definitely lower appetite but they all look for food and do eat some. some to most are eating normally?

colour other than patches on 2 sterbaI seems fine & normal.

I would love to know what people think is going on. and then how I should treat and if I should treat the whole tank.

I don't have an available QT at the moment - they are both full of fish waiting to be stocked into our other tank. because we always do 3-5 week QT periods before adding new fish.

thank you in advance.

pps: also. this morning I know for a fact I was rushing and FORGOT TO WASH MY HANDS AFTER FEEDING THIS TANK BEFORE PUTTING MY HANDS INTO OUR QT TO FEED THOSE FISH. #FacePalm *crying emoji*
 

Five 97

Sorry for your loss! The cottony growth on the SterbaI may indicate that this is one of the slower-moving strains of the disease. This is a great sticky by CindiL on the treatment of Columnaris: Columnaris Symptoms And Treatment.

Please don't give up!
 

bitseriously

Ack. Rotten.
I'll refrain from any diagnosis theories, it's generally over my head. But following, with fingers crossed.
I would say that IMO it's not the outcome for this one (first) fish that really matters here, but what happens with the others. If you can, start bumping up your water quality regime. I see your parameters, they look golden, but fresh clean water is king in preventing anything from getting the upper hand. Yup, that means more work.
 

Jenoli42

Sorry for your loss! The cottony growth on the SterbaI may indicate that this is one of the slower-moving strains of the disease. This is a great sticky by CindiL on the treatment of Columnaris: Columnaris Symptoms And Treatment.

Please don't give up!

thank you. I've ready that sticky several times in the past and quickly realised our water is an ideal candidate for this disease.our water is oxygenated & regularly maintained. that's why we're so careful & why I suspect it.

I don't want to treat until I'm pretty sure or at least someone else says they're pretty sure because the treatments are harsh.

if this killed haki, he had no other symptoms other than swimming erratically... which we thought were seizures. hmmmm. ps: here's the link to the hakI thread Help - Please, Our HakI (ebjd) Seems To Be Having Seizures!

edit:

so the reason I think we've got it is because the top three symptoms match. cottony lesion near mouth. white spot on fin tip. white cottony lesion on fin tip. ragged fins.

that's on one Cory cat.

on the other there's a pale spot on the head. again, matches.
 

Jenoli42

Ack. Rotten.
I'll refrain from any diagnosis theories, it's generally over my head. But following, with fingers crossed.
I would say that IMO it's not the outcome for this one (first) fish that really matters here, but what happens with the others. If you can, start bumping up your water quality regime. I see your parameters, they look golden, but fresh clean water is king in preventing anything from getting the upper hand. Yup, that means more work.

thank you. with our two daughters' sports and salaried jobs to be quite frank, we cannot increase tank maintenance time. hence we are considering giving up.

we know our limits. we invested hundreds of hours setting up our two main tanks & 2 x QTs (and our turtle tank). that was on the basis of reasonable but limited time once they were cycled & established to maintain & enjoy.

more time/work is simply not an option... we both just got promoted at work, too.

I suspect the source could be our rainwater system which is not a closed or treated system...?
 

bitseriously

Can I suggest a measured wait and see approach instead of giving up?
We went thru a lot of the same things together, with sterbais and rummies back in early March. From all those fish in my quarantine tank of death, all that survived are 3 rummies. They won the lottery, if u want to look at it that way. They remain healthy, now they’re in a rather understocked tank that looks nothing like what I envisioned or dreamed when I was setting the tank up. I fought hard against this outcome, but now that it’s what I have... I LOVE IT!! Less maintenance, no dying fish, no endless trips to lfs for more or new meds.
Look for the silver linings, my friend.
 

mattgirl

I am not ignoring this .... I am just at a loss for words

I do agree with bitseriously though about the just wait and see. It is possible that this is a passing thing. Some may be lost but hopefully the strong will survive.

No one cold have done more than you have to assure a healthy environment for their fish.

Not exactly the same thing but a month or so ago I saw what looked to be a bit of fuzz on one of my LF Black skirt tetras tail fin. The second day it seemed to be a bit bigger. By the 3rd day I was getting more concerned. On the 4th day it was gone. I've not seen it since and never saw it on any of the other fish. Sometimes wait and see is the right thing to do.
 

Jenoli42

Dear bitseriously & mattgirl

you two are champions. I'm rallying because maybe it's confined to the sterbai??? somehow I doubt that tho. .

I bought API Furan-2.

came home tonight. sterbaI still alive. within an hour, on its side barely breathing. I just euthanized with Clove oil.

the barbells under its chin are *gone* ... disintegrated.

the "cotton" had spread entirely across it's mouth. it's disturbing. sorry for the s...

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this little guy was my fave... look at his poor fins!!!

team! I need to know if I should treat the whole tank?

we have another cory showing the first pale patches... otherwise the only symptom of all fish is decreased appetite & maybe flashing?

Furan 2 can inhibit or kill our cycle & we're going away for a week for work the week after next. furan 2 can also kill fish.

columnaris can kill fish too.

do I wait to treat until we're back & risk one by one die offs?

or

treat now & hope the parameters don't kill everyone while we're gone for a week?

ps: other main tank & 2xQT tanks seem fine atm btw

No one cold have done more than you have to assure a healthy environment for their fish.

I will be honest. I may have over feed by 25% & I did occasionally get slack about rising or disinfecting between tanks. so I'm not perfect but I did try really hard. thank you tho. <3
 

coralbandit

That is columnaris 99%.
Does anyone here use potassium permanganate ?
It was the only thing I can say might have really worked for me years ago when I had columnaris in a swordtail tank...
The use of antibiotics is hit and miss IMO since most only offer one dose.
Can't really think of any application where antibiotics do anything [good] in 5 day treatments?
If you continue with the furan 2 plan on doing 2 rounds of treatment.
 

goldface

It sucks that this is happening, as I know you spent a lot of time creating all this. I’m of no help, but others got you. I wish you the best of luck, and try not to quit.
 

bitseriously

Couple things...
This poor fish appears to have signs of possible multiple infections (is that vague enough?). The fins look like fin rot, the mouth looks like columnaris (agree with coralbandit on that one, but it's a gestalt opinion, not professional-grade), and the pelvic fin tips look like physical injury with secondary infection.
These point to one or both of a couple of issues. This particular fish is just not healthy to start, and so got sick with everything under the sun; and/or there's something about your system that is stressing fish, predisposing them to infection. How this progresses (or doesn't) through your tank will clarify which of these is likely.
Thought: Since this appears to have started around its mouth, have you looked at barbel issues? What's your substrate? Any sharps? ***Check the rest of the cories to see how their barbels look***.
If you can get kanamycin (kanaplex), when used with Furan-2 it apparently provides a good synergistic treatment effect against columnaris. I know NZ is like canada, where antibiotics are more controlled than US, but once I started looking I was surprised at how much success I had getting various fish meds here, mostly from the mainly-online retailers.
The planned absence is tough. This might be a case 'que sera, sera', and what livestock you have after you get back will be where you pick up from. It's really harsh-sounding, but think of how much mental anguish and sweat-equity you'll save between now and then.
 

mattgirl

Does anyone here think maybe a salt treatment to the whole tank may be a good idea. Salt has been used in the aquarium trade for longer than I have been around and folks have had good luck with keeping healthy tanks by adding it.

I know it has been said that it is outdated and no longer necessary but just about every living thing on earth needs some form of salt in their diet. Our fish are no different. I know freshwater fish don't naturally have it in their water but maybe there are other minerals that substitute for it.

I am wondering if maybe your rainwater is missing some necessary minerals. Most of the tap water in the US has trace minerals in it. I can only assume that the rainwater doesn't and since most of us don't know what those trace minerals are it would be difficult to add them.

If I were in your shoes before I added medications I would do the salt first. I wouldn't do it as strong as the package recommends because you have cory's but you can add it and then go on your vacation. Let it do its thing while you are gone and as bitseriously said, you won't be there to stress over them.

If when you get back you found it has helped or not you can slowly start removing the salt with your weekly water changes and then start the other medications if necessary.
 

bitseriously

If using a milder dose of salt (quarter or half of recommended?), mattgirl 's approach is simple, low risk, inexpensive, and sensible. I think the greatest risk is that it might not work.
I'm also starting to second guess my fin rot comment. Other than the fuzzy tips on the pelvic fins, were the pectoral, dorsal and caudal fins ragged before it died? Or did the fins only get that ragged look after it died (I know the fins are the first to get picked by my shrimps whenever I lose one). This brings me back to substrate. The fuzzy tips on the pelvics AND the infected mouth could both come from substrate sharps. So if you're seeing no other signs of disease, esp in the non-benthics, maybe the mouth and pelvic fin issues are actually secondary.
Maybe.
 

mattgirl

If using a milder dose of salt (quarter or half of recommended?), mattgirl 's approach is simple, low risk, inexpensive, and sensible. I think the greatest risk is that it might not work.
I'm also starting to second guess my fin rot comment. Other than the fuzzy tips on the pelvic fins, were the pectoral, dorsal and caudal fins ragged before it died? Or did the fins only get that ragged look after it died (I know the fins are the first to get picked by my shrimps whenever I lose one). This brings me back to substrate. The fuzzy tips on the pelvics AND the infected mouth could both come from substrate sharps. So if you're seeing no other signs of disease, esp in the non-benthics, maybe the mouth and pelvic fin issues are actually secondary.
Maybe.
Thank you for confirming that salt shouldn't hurt and could possibly help in this case. You are correct, it might not work but in this case I think it is worth trying before adding medications that also may not work and could possibly even kill the cycle. At least it shouldn't affect the bacteria.
 

Wraithen

I had a mystery disease battle with sterbaI for months. I treated with everything I could think of. The only thing that seemed to help was 90 degree water, and that just slowed it down. I finally got fed up and culled any cory that didnt look pristine. That left me with 1 sterbaI so I took him to the lfs after making sure it didnt get sick. Nothing else in my tank got infected. SterbaI seem to be susceptible to cottony growth that easily spreads to other cories but not anything else. Yours looks different from my disease. Good luck either way. I've since given up on cories and changed to kuhlis. Zero problems from those guys other than an occasional injury that heals on its own.
 

bitseriously

Thank you for confirming that salt shouldn't hurt
hrrrmmmm...
I'm not so much confirming, as agreeing that it's probably okay, based on what I've read, in this situation, and at a reduced dosage. I have zero personal experience with salt, except short-term baths for betta and endlers.
 

mattgirl

hrrrmmmm...
I'm not so much confirming, as agreeing that it's probably okay, based on what I've read, in this situation, and at a reduced dosage. I have zero personal experience with salt, except short-term baths for betta and endlers.
Good point. Agree to some points is a better word In my humble opinion in certain circumstances salt can be beneficial. It may not help at all here but I feel very sure that it won't hurt and could possibly help. When one thinks about it that is about the same thing we can say about most of the medications available to us except some medications can hurt.
 

Wraithen

Good point. Agree to some points is a better word In my humble opinion in certain circumstances salt can be beneficial. It may not help at all here but I feel very sure that it won't hurt and could possibly help. When one thinks about it that is about the same thing we can say about most of the medications available to us except some medications can hurt.
I did a salt dip and a salt treatment on the tank. The dip was normal dosage, the tank got half normal. My plants weren't happy about it but eventually recovered. The sterbaI seemed no worse for wear from it.
 

Jenoli42

If using a milder dose of salt (quarter or half of recommended?), mattgirl 's approach is simple, low risk, inexpensive, and sensible. I think the greatest risk is that it might not work.
I'm also starting to second guess my fin rot comment. Other than the fuzzy tips on the pelvic fins, were the pectoral, dorsal and caudal fins ragged before it died? Or did the fins only get that ragged look after it died (I know the fins are the first to get picked by my shrimps whenever I lose one). This brings me back to substrate. The fuzzy tips on the pelvics AND the infected mouth could both come from substrate sharps. So if you're seeing no other signs of disease, esp in the non-benthics, maybe the mouth and pelvic fin issues are actually secondary.
Maybe.

the fins were ragged before it died. at least the top ones were. that's why we suspected the EBJD.

our substrate is fine silica sand & supert smooth black gravel.

but our home made insert is fake coral with some sharp edges. the Cories occasionally swim up around it?

this little guy was the smallest so it's possible it was picked on?

I had a mystery disease battle with sterbaI for months. I treated with everything I could think of. The only thing that seemed to help was 90 degree water, and that just slowed it down. I finally got fed up and culled any cory that didnt look pristine. That left me with 1 sterbaI so I took him to the lfs after making sure it didnt get sick. Nothing else in my tank got infected. SterbaI seem to be susceptible to cottony growth that easily spreads to other cories but not anything else. Yours looks different from my disease. Good luck either way. I've since given up on cories and changed to kuhlis. Zero problems from those guys other than an occasional injury that heals on its own.
I was considering kuhlis because we have them in our other tank tbh. 2/6 sterbaI left have ragged fins. if they're the only species affected, that may be our next step... thank you for your reply

I am wondering if maybe your rainwater is missing some necessary minerals. Most of the tap water in the US has trace minerals in it. I can only assume that the rainwater doesn't and since most of us don't know what those trace minerals are it would be difficult to add them.

If I were in your shoes before I added medications I would do the salt first. I wouldn't do it as strong as the package recommends because you have cory's but you can add it and then go on your vacation. Let it do its thing while you are gone and as bitseriously said, you won't be there to stress over them.

If when you get back you found it has helped or not you can slowly start removing the salt with your weekly water changes and then start the other medications if necessary.

I've got salt & happy to use it. I use equilibrium to balance the minerals... we made sure our gH was over 5º specifically to avoid columnaris. I keep this tank between 6º-15º and my goal is 7-8º.

I know you're not an expert on this disease but do you think equilibrium should infuse the tank with the right minerals? that's why I use it but I'm totally guided by experiences of others...

If you can get kanamycin (kanaplex), when used with Furan-2 it apparently provides a good synergistic treatment effect against columnaris. I know NZ is like canada, where antibiotics are more controlled than US, but once I started looking I was surprised at how much success I had getting various fish meds here, mostly from the mainly-online retailers.
The planned absence is tough. This might be a case 'que sera, sera', and what livestock you have after you get back will be where you pick up from. It's really harsh-sounding, but think of how much mental anguish and sweat-equity you'll save between now and then.

according to my lfs I can't get anything other than furan-2 without a prescription and I can't get that locally. but I'll look online... although the salt idea is tempting.

I really hope you're right about secondary infections. .. I know that sounds horrid but I reckon it's better than columnaris
 

goldface

Thunder_o_b uses Equilibrium since he uses RO water, if I recall.
 

Jenoli42

UPDATE:

So. either I haven't seen the sterbaI with the pale spot & there's a 2nd with a smaller pale spot... or the pale spot on the one other sterbaI with scale symptoms is getting better?

appetites improved almost immediately after the poor sterbaI was removed & euthanized.

less "flashing if it was actually flashing.

but 2-3 sterbaI still have damaged fins ... one looks partially disintegrated.

given our parameters, I highly doubt finrot. more likely aggression or disease like columnaris that can hit with pristine water.

so... perhaps false hope but for now I'm cautiously optimistic & have all medications on hand should I need them.

salt. .. I'm still tempted!!! thank you mattgirl
 

Gypsy13

Hey. Late to party. Kanaplex and furan 2 together make a great offense against columnaris. Salt is good but take your snails out. This definitely sounds like columnaris. All it needs is the least little lesion to take hold and kill your fish. Barbels are easily damaged. Like I said, the least little scratch or abrasion on a weaker fish will allow this nastiness to take hold. Dosing with salt may help but hoping it will keep columnaris from spreading is a long shot. Salt is my number one go to. Old fashioned or not, it’s saved many of my fish. Mblue is another. 3% hydrogen peroxide swabbed on affected areas has helped me a lot too. Going to antibiotics or antifungals is my advice when things have gone too far. I’ve seen columnaris take out a whole wall of fish at my former favorite LFS. In days. If you have anyone affected now, can you post a pic?

UPDATE:

So. either I haven't seen the sterbaI with the pale spot & there's a 2nd with a smaller pale spot... or the pale spot on the one other sterbaI with scale symptoms is getting better?

appetites improved almost immediately after the poor sterbaI was removed & euthanized.

less "flashing if it was actually flashing.

but 2-3 sterbaI still have damaged fins ... one looks partially disintegrated.

given our parameters, I highly doubt finrot. more likely aggression or disease like columnaris that can hit with pristine water.

so... perhaps false hope but for now I'm cautiously optimistic & have all medications on hand should I need them.

salt. .. I'm still tempted!!! thank you mattgirl

Just heard this update. If there’s no others showing symptoms, try the salt. Half dose to start. Remove snails. If the cats are ok, up the dosage just a tad. You can use 3% hydrogen peroxide to gentle swab the affected fins. It will aid in healing and warding off bacteria. Just as salt will. Just dab and put back in tank.
 

Jenoli42

Hey. Late to party. Kanaplex and furan 2 together make a great offense against columnaris. Salt is good but take your snails out. This definitely sounds like columnaris. All it needs is the least little lesion to take hold and kill your fish. Barbels are easily damaged. Like I said, the least little scratch or abrasion on a weaker fish will allow this nastiness to take hold. Dosing with salt may help but hoping it will keep columnaris from spreading is a long shot. Salt is my number one go to. Old fashioned or not, it’s saved many of my fish. Mblue is another. 3% hydrogen peroxide swabbed on affected areas has helped me a lot too. Going to antibiotics or antifungals is my advice when things have gone too far. I’ve seen columnaris take out a whole wall of fish at my former favorite LFS. In days. If you have anyone affected now, can you post a pic?



Just heard this update. If there’s no others showing symptoms, try the salt. Half dose to start. Remove snails. If the cats are ok, up the dosage just a tad. You can use 3% hydrogen peroxide to gentle swab the affected fins. It will aid in healing and warding off bacteria. Just as salt will. Just dab and put back in tank.

*we are not worthy gif*

I knew there was a reason I was worried about salt: OUR SNAILS! thank you!

so, I'll go to the pharmacy because you can't get hydrogen peroxide just anywhere in nz believe it or not. like you hafta go to the pharmacy for nail polish remover, so...pain in the arse.

(I don't wear nail polish but the girls did... before we had tanks.)

ok. since the only species showing definite signs are the cats, I'm in for the salt & peroxide. how long do I treat with salt?

I realise I've probably got columnaris in my tanks. I have this hope that the water's good enough that the fish immune systems could win? is that possible?

everything I read says the bacteria are always already there, so what changes once a fish is infected that makes it spread, do people know?

edit: ps. I did have this ridiculous vision of netting a sterbai, doing a sports "dab" with it in the net, then putting back in... just saying
 

Wraithen

*we are not worthy gif*

I knew there was a reason I was worried about salt: OUR SNAILS! thank you!

so, I'll go to the pharmacy because you can't get hydrogen peroxide just anywhere in nz believe it or not. like you hafta go to the pharmacy for nail polish remover, so...pain in the arse.

(I don't wear nail polish but the girls did... before we had tanks.)

ok. since the only species showing definite signs are the cats, I'm in for the salt & peroxide. how long do I treat with salt?

I realise I've probably got columnaris in my tanks. I have this hope that the water's good enough that the fish immune systems could win? is that possible?

everything I read says the bacteria are always already there, so what changes once a fish is infected that makes it spread, do people know?

edit: ps. I did have this ridiculous vision of netting a sterbai, doing a sports "dab" with it in the net, then putting back in... just saying
To catch cories, a slower net works best. I think I used a cheap acrylic rod to herd and then netted them against the glass. Dont get stabbed by the cory when handling. Petsmart dude was really upset when he got a little stab.
 

mattgirl

I am so glad Gypsy13 stopped by and reminded us about the snails.

I don't know about the equilibrium but I have occasionally seen it recommended for use in RO water to replace the necessary minerals.

Salt has been used for many many years. It has always been my first line of defense. I actually use a tiny bit of it in my tanks. Tiny meaning 1 tsp per 20 gallons of water. I can't swear that it helps but I know it doesn't hurt. Fortunately I've never had to battle any of the many diseases fish are prone to but unfortunately that leaves me unable to help those that are having problems.

Favorite food in a net also makes it easier to catch a fish When I needed to move my female molly I just put some food in a net. She swam right in. I could do the same thing with my Cory's. Bloodworms would work for them. I actually feed from a net occasionally just to get them used to it. I learned this little trick from another forum member.
 

Goldiemom

Couple things...
This poor fish appears to have signs of possible multiple infections (is that vague enough?). The fins look like fin rot, the mouth looks like columnaris (agree with coralbandit on that one, but it's a gestalt opinion, not professional-grade), and the pelvic fin tips look like physical injury with secondary infection.
These point to one or both of a couple of issues. This particular fish is just not healthy to start, and so got sick with everything under the sun; and/or there's something about your system that is stressing fish, predisposing them to infection. How this progresses (or doesn't) through your tank will clarify which of these is likely.
Thought: Since this appears to have started around its mouth, have you looked at barbel issues? What's your substrate? Any sharps? ***Check the rest of the cories to see how their barbels look***.
If you can get kanamycin (kanaplex), when used with Furan-2 it apparently provides a good synergistic treatment effect against columnaris. I know NZ is like canada, where antibiotics are more controlled than US, but once I started looking I was surprised at how much success I had getting various fish meds here, mostly from the mainly-online retailers.
The planned absence is tough. This might be a case 'que sera, sera', and what livestock you have after you get back will be where you pick up from. It's really harsh-sounding, but think of how much mental anguish and sweat-equity you'll save between now and then.
I agree with kanamycin and furan-2. Never had either mess up my cycle or kill a fish but they have successfully treated several.
 

Wraithen

I agree with kanamycin and furan-2. Never had either mess up my cycle or kill a fish but they have successfully treated several.
I used both with metro also. During that treatment I lost my nitrafying bacteria. Luckily TSs can fix that part of a cycle almost instantly. Once I saw nitrites appear, I ran out and dumped a bottle in the tank. Next day there were no nitrites.
 

Jenoli42

So after a thorough inspection this morning, we can't see any pale spots on any fish at all.

I wanted to post photos of the sterbaI so I can get all of your views on what we're dealing with. the barbells look fine bitseriously .... but the fins are a different story for two of them. the rest seem perfect and are spawning

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I threw in a couple photos of LucI our firemouth, too. the Odessas don't pose for photos but their fins are all perfect....

tomorrow is water change day. I'm unsure which is the bigger risk: moving the snails & treating lightly with salt or doing nothing to see if the water itself cures them.

I'm away for a week from next Saturday so I'd love to be confident about whichever decision.

muy step daughter will come by to feed our water pets once a day every other day while we're gone btw. but she won't be confident to do treatments...
 

Jenoli42

Favorite food in a net also makes it easier to catch a fish When I needed to move my female molly I just put some food in a net. She swam right in. I could do the same thing with my Cory's. Bloodworms would work for them. I actually feed from a net occasionally just to get them used to it. I learned this little trick from another forum member.

that's such good advice about catching them! thank you.
 

Jenoli42

That is columnaris 99%.

I tend to agree... the only alternatives are either

1. fin rot (but they've been in pristine water parameters since we had them with one blip to .25 ammonia for 12 hours as we were adding stock)

or

2. badly nipped fins that got secondary infection.

do you happen to understand why columnaris bacteria - which I understand are omnipresent in aquariums - become contagious after one fish gets symptoms? is that even the case?
 

Whitewolf

Use Maracyn 2
Dont use kanamycin, its expensive and not that great
All bacterial infections present the same way, no way to know its columnaris (99% positive) unless you are growing cultures?

Use something broad, like maracyn 1 +2 or Doxycycline, or oxytetracycline. Kanamycin will kill your biofilter and if its gram + bacteria it will continue to kill your fish. Way to much $$$$ too
You can find antibiotics in flake form too.
 

Jenoli42

Use Maracyn 2
Dont use kanamycin, its expensive and not that great
All bacterial infections present the same way, no way to know its columnaris (99% positive) unless you are growing cultures?

Use something broad, like maracyn 1 +2 or Doxycycline, or oxytetracycline. Kanamycin will kill your biofilter and if its gram + bacteria it will continue to kill your fish. Way to much $$$$ too
You can find antibiotics in flake form too.

I'm in NZ. we have limited availability of treatments. I haven't checked what I can import on line but I do have Furan-2. are you advising against that treatment?

again I'm happy to research what's available on line if that's the best treatment but that will delay treatment until it arrives & I'm back from a week away

edit: can't find maracyn two available on line shipping to nz
 

Whitewolf

Furan 2 has harsh chemicals dixions which cause cancer and birth defects for up to 5 generations
Ask any vietnam vetran or his son (me) what it can do. I may be in a wheelchair in 5 years and in only 35

You should be able to get Sulfa antibiotics, use this then. Just don't kill your bio filter bacteria.
 

Jenoli42

Quick update. here's our parameters as of 5 mins ago... gH down slightly because I ran out of equilibrium last week & only used 1/2 of the recommended dose. but it's still 7º

Screenshot_20180616-121855.jpg
 

Gypsy13

*we are not worthy gif*

I knew there was a reason I was worried about salt: OUR SNAILS! thank you!

so, I'll go to the pharmacy because you can't get hydrogen peroxide just anywhere in nz believe it or not. like you hafta go to the pharmacy for nail polish remover, so...pain in the arse.

(I don't wear nail polish but the girls did... before we had tanks.)

ok. since the only species showing definite signs are the cats, I'm in for the salt & peroxide. how long do I treat with salt?

I realise I've probably got columnaris in my tanks. I have this hope that the water's good enough that the fish immune systems could win? is that possible?

everything I read says the bacteria are always already there, so what changes once a fish is infected that makes it spread, do people know?

edit: ps. I did have this ridiculous vision of netting a sterbai, doing a sports "dab" with it in the net, then putting back in... just saying


Once it starts spreading it affects the immune systems of all the fish in the tank but some will have a strong enough immune system to fight it off. It’s the ones with damage that succumb faster. But while it’s happily doing it’s thing in an aquarium and not bothering anyone, you don’t notice. Let an injury come along, even a loosened or dropped scale, and it’s open columnaris day. So instead of a few little bacteria floating around you have a bud, then it multiplies into a blossom. Then the tank is in trouble.
Hopefully we’ll be able to help you nip it in the bud. So to speak.
 

Goldiemom

I have to say that Kanaplex and Furan-2 are my “go to” drugs of choice. Neither have ever affected my nitrogen cycle. You do have to be careful when using the Furan-2 though. They have both proven very effective for me. I guess it’s a matter of preference.
 

Gypsy13

I'm in NZ. we have limited availability of treatments. I haven't checked what I can import on line but I do have Furan-2. are you advising against that treatment?

again I'm happy to research what's available on line if that's the best treatment but that will delay treatment until it arrives & I'm back from a week away

edit: can't find maracyn two available on line shipping to nz

Use what you’re comfortable using. All I can advise is what I know works. Kanaplex and furan 2 won’t crash your bb. Maracyn and maracyn 2 will. But, if the other fish aren’t showing signs of columnaris, I’d hold off using meds. If you could move the snails and add the salt before you leave, you may be ok. Let me say this about furan 2: Furan and Dioxin are two of the worst poisons (in their purest forms) in agriculture. That being said, Furan2 is NOT pure Furan. It is a tiny bit of a bound molecule. If every aquarium in the US dosed furan2 at the same time and dumped the “used” water in the same hole, there wouldn’t be enough furan to measure. I could go on and on but I won’t. I’m tired.
 

Fishlover832

I read through this thread a little while ago and didn't think much of it. Strangely enough, I now seem to be having the same problem. I've had fish dying slowly over time. Over the past few weeks in particular, I would say I've had 4 or 5 fish die. I've had this problem for awhile though. Symptoms include incomplete fins (either ripped or something else), sometimes a sunken belly. Nothing else... until 15 minutes ago. I noticed one of my cories had a giant white and pink fuzzy fungus thing growing out of its side. He's still alive, but my fish are sort of bullying him because he's weak, so I will definitely need to euthanize him. His fins are also a little frayed. Does this sound like the same thing as the OP? If so, we have a bigger problem than we think because I've had this going on for awhile and it's made me want to give up too. It's time we find what it is and not just start using random treatments like I've tried.
 

Disturbed.)

Catfish farms use high doses of salt for columnaris. When I learned that I kept with the antibiotic cocktail I had already been administering for 6 weeks but you can't really get and then took my salinity to about 1.010 or about 2 tablespoons per gallon, for a month, with catfish! It killed my plants but not the fish. I am afraid to put anything else in there with them but they are now healthy have grown to hit adult coloration
 

Jenoli42

I read through this thread a little while ago and didn't think much of it. Strangely enough, I now seem to be having the same problem. I've had fish dying slowly over time. Over the past few weeks in particular, I would say I've had 4 or 5 fish die. I've had this problem for awhile though. Symptoms include incomplete fins (either ripped or something else), sometimes a sunken belly. Nothing else... until 15 minutes ago. I noticed one of my cories had a giant white and pink fuzzy fungus thing growing out of its side. He's still alive, but my fish are sort of bullying him because he's weak, so I will definitely need to euthanize him. His fins are also a little frayed. Does this sound like the same thing as the OP? If so, we have a bigger problem than we think because I've had this going on for awhile and it's made me want to give up too. It's time we find what it is and not just start using random treatments like I've tried.

oh no! I'm so sorry! you should start a thread with photos and feel free to link to mine because obviously I'm not the expert in treating ... but I'm curious now so feel free to post a photo in this thread of your poor fish...or post a link in this thread to your own. ... I have no issues collaborating

I Will say I have no fish with sunken bellies.... they're all a bit chubby lolz
 

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