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I seem to be losing my cories. I searched this forum for simmilar cases and found some, but none shed any light on the problem.
Here's what's been happenning:
I used to have two albinos for about a year. Then, one started going "dumb", losing his bearings in the tank. I would often find him on his side or upside down looking pretty dead. When touched, he'd swing erratically for a while before dropping to the bottom again. His condition worsened over next few days until I found him dead floating at the top in the corner. He had what appeared to be a massive hemmorhage (sp?) near the gills.
I later decided to add a few more cories to keep my lone one company. I bought four "green" cories (don't remember proper name).
A week after that, the second albino cory died the same way as the first, but it took only three days or so. I euthanized him after it became apparent I could do nothing to help.
Over a month has passed with no cory deaths. I did however lose one male swordtail, but I think it was because he was harassed to death by the other.
Then I noticed that one of the four cories is not as active as the rest. Looking closely, I noticed that he seemed to have lost his buoyancy, as if he swallowed rocks. He would make an effort to swim up to the surface for a gulp of air as cories do, but rarely make it to the top. He'd then drop to the bottom like a rock. He stopped eating. I tried feeding him by bringing him food with the tweezers. He ate once a little. Soon he could barely move. I did what I thought the right thing to do: put him into deep freeze.
Barely a week passed, and another cory fell sick the same way. Three days later, (tonight) he was dead. No apparrent injuries. I did notice a little bleeding at the base of the front fins (what's the proper name for them?)
I have two cories left. No other fish or snail is affected.
I checked the water parameters and everything checks out fine. The temp is 75-76 F, stable. 45-50% weekly w/c.
The only problem I have right now is the green fuzz algae. It covers plants and sides of the tank, and I've been losing plants. I am waiting for the XP2 filter to arrive so that I can plumb DIY reactor inline and start DIY CO2 again. I will have to get some new plants too, as I have just amazon swords left and they begin to succumb too. There's also some BBA, but it's under control.
Here's what's been happenning:
I used to have two albinos for about a year. Then, one started going "dumb", losing his bearings in the tank. I would often find him on his side or upside down looking pretty dead. When touched, he'd swing erratically for a while before dropping to the bottom again. His condition worsened over next few days until I found him dead floating at the top in the corner. He had what appeared to be a massive hemmorhage (sp?) near the gills.
I later decided to add a few more cories to keep my lone one company. I bought four "green" cories (don't remember proper name).
A week after that, the second albino cory died the same way as the first, but it took only three days or so. I euthanized him after it became apparent I could do nothing to help.
Over a month has passed with no cory deaths. I did however lose one male swordtail, but I think it was because he was harassed to death by the other.
Then I noticed that one of the four cories is not as active as the rest. Looking closely, I noticed that he seemed to have lost his buoyancy, as if he swallowed rocks. He would make an effort to swim up to the surface for a gulp of air as cories do, but rarely make it to the top. He'd then drop to the bottom like a rock. He stopped eating. I tried feeding him by bringing him food with the tweezers. He ate once a little. Soon he could barely move. I did what I thought the right thing to do: put him into deep freeze.
Barely a week passed, and another cory fell sick the same way. Three days later, (tonight) he was dead. No apparrent injuries. I did notice a little bleeding at the base of the front fins (what's the proper name for them?)
I have two cories left. No other fish or snail is affected.
I checked the water parameters and everything checks out fine. The temp is 75-76 F, stable. 45-50% weekly w/c.
The only problem I have right now is the green fuzz algae. It covers plants and sides of the tank, and I've been losing plants. I am waiting for the XP2 filter to arrive so that I can plumb DIY reactor inline and start DIY CO2 again. I will have to get some new plants too, as I have just amazon swords left and they begin to succumb too. There's also some BBA, but it's under control.