I just discovered that one of my cories is very sick. The tank is a 55 gallon and there are four other perfectly healthy cories in there and a pleco (also some tetras and other fish). The tank is not overstocked and I believe I am at zero for ammonia and nitrite and around 20 - 30 ppm
for nitrate. I am checking the water in just a minute to confirm.
I've had this guy for about two months and never had a problem. I ran into the computer room to ask for your help and am filling up my spare 10 gallon to use as a hospital tank. I am almost certain he is beyond saving but I would like to try. He is lying on his side on the bottom of the tank. He looks dead however you can see some gill movements and when I tried to scoop him out (before realizing he was still alive) he wiggled a little.
I am going to put him in my 10 gallon tank using water from the 55. I have a spare filter running on the 55 just for problems like this so I will put that in the tank too. Please advise as to what I should do to treat him. Would photos help? I have pimafix, melafix, "fungus clear" and "parasite clear" on hand. All other fish look perfectly healthy. The temp is about 77 f.
I will be back in a minute with updated water parameters. Please help!
Edited to add:
Okay, the water parameters are what I thought - 0 ppm
for both Nitrite and Ammonia and about 20 ppm
for Nitrate. The PH is about 7.0. These parameters have not changed recently and it's been about one week since I did my last partial water change (35% or so).
This guy looks awful! Just lying on his side with his fins stuck out. He is a peppered cory and I've had him, as I said above, for a few months. The tank was set up in July and I haven't had any problems with any fish until today. Nothing new has been added to the tank recently. There are two HOB
filters in there -- one is rated for a 75 gallon tank, the other for a 30 gallon tank. His tankmates are as follows:
4 other peppered cories
1 blue gourami
10 serpae tetras (they keep to themselves)
1 rubberlip pleco
1 (docile) male betta fish