It looks like your cory is just going up for air (believe it or not, all cory cats go up for air approximately once every 30 minutes REALLY fast, which is in fact normal and healthy as they can dissolve oxygen through their digestive system which is then disperssed through their blood) but it looks like your is repeatedly doing this which is not normal. This could mean that there is a lack of disperssed oxygen in your tank (turning up your air pump may help), that it is stressed (I'm assuming
there is a full shoal, if not, you should really add more as they are a schooling fish and will easily get sick if not in a school), or there is someting wrong with it's swim bladder, and if that is the case, the only thing you can do is let it heal itself and add some aquarium salt. Oh, just saw your description, because your tank is still cycling, the cory may be trying to escape the high pH levels (Ph is higher at the bottom of a tank than the top)doing a 30-40% water change may help
It looks like your cory is just going up for air (believe it or not, all cory cats go up for air approximately once every 30 minutes REALLY fast, which is in fact normal and healthy as they can dissolve oxygen through their digestive system which is then disperssed through their blood) but it looks like your is repeatedly doing this which is not normal. This could mean that there is a lack of disperssed oxygen in your tank (turning up your air pump may help), that it is stressed (I'm assuming
icecreamcone28 3 years ago
there is a full shoal, if not, you should really add more as they are a schooling fish and will easily get sick if not in a school), or there is someting wrong with it's swim bladder, and if that is the case, the only thing you can do is let it heal itself and add some aquarium salt. Oh, just saw your description, because your tank is still cycling, the cory may be trying to escape the high pH levels (Ph is higher at the bottom of a tank than the top)doing a 30-40% water change may help
icecreamcone28 3 years ago