Is it common for cories to be swimming up and down next to the wall?(for most part of the day) and for those of u who saw my other thread. u said that my one oddball cory would get along in the skool with my aeneus cories it doesnt seem like its happening. the 3 of them school but the oddball is always on its own unless if he finds the other if they are still but other than that he is alone