Hello Hope your gars are doing better. I have had gar for almost 12 years now. First you need a bigger tank! My first gar lost all his fins and 1 eye in the pet stores 30 gallon tank won't get i put him in a 240 gallon and he turned right around. was a great fish they need alot of room and leave room at the top of the tank for them to come up and put their heads up.