§tudz
A True Oddball
I can tell if the water lacks oxygen or not!
Can I ask how YOU know when the water lacks oxygen, as water at least around here looks exactly the same well oxygenated or not
I guess you dont test your water for ph, nitrates, nitrites, or ammoina, as high levels of nitrates, nitrites, and ammoina can also cause cories to do this.
But yes it is a natural process for cories to dart to the surface, albinos seem to do it more intensely than any other cories I have kept, and read about. They seem to be crazy little fish, they must lose some brains cells along with the pigment