yes my tank temp was over 80 but now has come back down to about 76 or so and holding (since i got the house ac fixed) andits not all of them just one or two will go to different parts of the tank on the top and just kinda hover there not gasping or anythin just hover i guess this may be normal im not sure maybe its jut the current they like ?? but i did water test on everything and it all came back great .. the tank is just about cycled ...