Cory expert please help

[Sidney]

My cory had it fin down and today i caught him flipping upside down .. base on the internet it is due to stress .. and i notice some shiny scale on the gills part .. please help .

[seudzar]

Is the barbel still around? Corydoras Habrosus are pretty sensitive. Shiny scale around gills area doesn't really mean anything

[Sidney]

My dear fish just passed away .. It died with a large hole in the middle . i was wondering was it it's own poison ..

[stormhawk]

No, it meant that your habrosus was suffering from intestinal problems. This is usually caused by parasites or nasty bacteria that were present in the food you fed them with. If you are using dry food like tablets and such, I suggest you take a look, because at times, this is the cause. Dry food spoils faster in our climate so don't rely on the expiry date listed. You must keep it in an air tight container with a desiccant or they will spoil much faster.

[Sidney]

Hmm , my other fish are still okay .. i better becareful thanks