Dear friends
I recently buy 60 Corydoras arcuatus that come from Peru. But they are dying at a rate of 4 to 5 a day. I donâ??t see any signal of disease and the water are soft and clean (pH 6-6,5 and very soft) like in the origin river and a temperature of 26ºC.
I would like to have same help pleaseâ?¦
Sincerely,
Paulo
Problems with Corydoras arcuatus?(HELP?)
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doctorzeb
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Hey Paulo
Nightmare!!
How long have you had them? Have they been dying since you got them. Are any of the fish that were in the tank previously, affected?
Need some more info, nitrates, nitrites, symptoms etc. What size of tank?
cheers rob
Nightmare!!
How long have you had them? Have they been dying since you got them. Are any of the fish that were in the tank previously, affected?
Need some more info, nitrates, nitrites, symptoms etc. What size of tank?
cheers rob
My wife made the mistake of buying me a 2 ft tank and it grew to 7ft.
They are in my tank from Saturday. Some are dead at arrival and others are dying at a rate that I said above until now. They are alone in a 200 liters tank with new water. Around 0 nitrates, 0 nitrites and 0 ammonia, with constant water changes. There are no signals in the fishes of any diseaseâ?¦
Sincerely,
Paulo
Sincerely,
Paulo
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doctorzeb
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Allan
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Hi!
Does the fish come directly from Peru? - If you recieved them almost directly from the airplane, i think this could be a problem with food digestion.
It is very likely, that these fish, before shipping, have been starved for quite a while. Does their stomach seem a bit sunken in?
- If this is the case, i think you need to change diet. Feed them very small ammounts of easily digestable foods many times a day. My food favorite for newly imported fish is small/nemly hatched brine schrimp.
Feeding newly imported fish with in example large ammount of bloodworm can be fatal to some fish (in my own and friends expirience). I guess it's the same we see with humans that have been starved. They tend to eat much, but their digestion is totally stoppet, wherefor they get sick and may die.
Some say it's a good idea to stock newly imported corys with corys (any species ) that are funktioning well - The bacteria from the well fed corys droppings will help the new arrivers to get a healthy stomach flora quicker. - I havn't done this personally, cause i have the caution that the new fish may also be more sensible regarding to possible diseases. But it might work fine.
Just an idea!
Good luck
Allan
Does the fish come directly from Peru? - If you recieved them almost directly from the airplane, i think this could be a problem with food digestion.
It is very likely, that these fish, before shipping, have been starved for quite a while. Does their stomach seem a bit sunken in?
- If this is the case, i think you need to change diet. Feed them very small ammounts of easily digestable foods many times a day. My food favorite for newly imported fish is small/nemly hatched brine schrimp.
Feeding newly imported fish with in example large ammount of bloodworm can be fatal to some fish (in my own and friends expirience). I guess it's the same we see with humans that have been starved. They tend to eat much, but their digestion is totally stoppet, wherefor they get sick and may die.
Some say it's a good idea to stock newly imported corys with corys (any species ) that are funktioning well - The bacteria from the well fed corys droppings will help the new arrivers to get a healthy stomach flora quicker. - I havn't done this personally, cause i have the caution that the new fish may also be more sensible regarding to possible diseases. But it might work fine.
Just an idea!
Good luck
Allan
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Coryman
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First thing I would do is cool them down a little 23 -24 is plenty warm enough. Is your water naturally soft or have you softened it? if so how. It does not need to be very soft for C. arcuatus, they would be quite happy in medium hard water, 12-15 dGH. I would check the water parameters at the shop where you got the fish, it would be more important to match the water from the shop than what you think they were in the wild. Too many drastic changes in water conditions could be the problem.
Ian
Ian
The problem is that here in my country there is no one capable of give me the help I need. They have no acknowledgement in this area. This type of hobby is very recent in a massive way.
Yes, the fishes come directly to me from Peru through an importer friend (from the airport to me).
No, their stomach donâ??t seem a bit sunken in
Thank you
Sincerely,
Paulo
Yes, the fishes come directly to me from Peru through an importer friend (from the airport to me).
No, their stomach donâ??t seem a bit sunken in
Thank you
Sincerely,
Paulo
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anonapersona
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Same problem
I'm having the same problem. Fish arrived in shipping bags on Tuesday, by Thursday morning 4 dead, of 12 bought. One local fish store (the best in town but not where I got the fish) suggested Hex-a-mit or Furanase (suggesting it might be internal parasites or columnaris --hard to know by phone) He said that the Metronidazole that I have on hand would be good.
I doubt columnaris. I'm thinking more likely gill damage from ammonia during shipping, or parasites, or very likely both. The ones that are dying are pumping their gills.
So, I've changed water, increased aeration, and treated with Metrodinazole.
Let me know if you find any solution!
I doubt columnaris. I'm thinking more likely gill damage from ammonia during shipping, or parasites, or very likely both. The ones that are dying are pumping their gills.
So, I've changed water, increased aeration, and treated with Metrodinazole.
Let me know if you find any solution!
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Frisckey1
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Poor Paulo...
Nobody has warned poor Paulo that you can't add 60 corydoras to a ?53 or 55? gallon tank? Even if he resolves whatever it is that's killing off his fish now, he'll still have problems keeping ammonia & nitrites under control. Nevermind you shoul NEVER EVER add so many fish to a tank at one time. I can hardly believe he's got no ammonia, he must be a water changing fool.
I'd personally agree with Ian in guessing that they weren't acclimated properly (I mean how DO you acclimate 60 fish at once?) and the water parameters are different.
Paulo, do you condition your water? Do you have chlorine or heavy metals in your water that you are aware of? IS it common for water in your area to need boiling prior to drinking?
I'd personally agree with Ian in guessing that they weren't acclimated properly (I mean how DO you acclimate 60 fish at once?) and the water parameters are different.
Paulo, do you condition your water? Do you have chlorine or heavy metals in your water that you are aware of? IS it common for water in your area to need boiling prior to drinking?
Cant....stop....buying....fish!