I caught my male panther (8 months old, eats and drinks fine, growing well) with his mouth half open yesterday. He wasn't hunting and didn't seem particularly interested in anything. He was on the side of the tank with the heat emitter for basking so I thought it could be something they do in thermoregulation kind of like panting? Anyone have any input? I believe he is healthy, just haven't seen him do that before. The ambient tank temp was 78 with a basking spot high of 88, but he wasn't directly under the basking spot, just near it so probably around 84 or so where he was sitting.