Corys, On The Verge Of Death

[tom_os]

i have 2 albino corys along with 2 phanton tetras 3 danios and a guppy

they spend all their time just sitting on the bottom and one of them was just lying pretty much on its back and i thought it was dead but i gave it a nudge and it kind of swam few inches then lay down again.

i dont think they are very well but can anyone tell me if this is normal?

60l tank
ph:7.2
temp:25c
ammonia 0ppm
nitrite 0ppm
nitrate:10ppm
test with an api liquid kit

 

[LauraFrog]

We need more info... corys usually sit on the bottom, but most of the time their mouths are angled down and they sort through the substrate instead of just sitting there. Have you noticed how long it's been since your fish started becoming lethargic?

Are there any other symptoms like dropsy, red or inflamed gills, cuts or lesions, a slimy coating, fuzz coming out of gills or growing on the body?

How long have you had the corys? What do you feed them?

Are the other fish acting normal?