Why Do Bearded Dragons Hold their Mouths Open (10 Reasons)

If you own a bearded dragon, you may have noticed that they sometimes open their mouths wide. This behavior can be alarming if you’re not sure what it means, so in this post, we’ll delve into the various reasons why bearded dragons open their mouths and what you can do about it.

The reasons why bearded dragons open their mouth are mostly not alarming. Most of the time beardies open their mouth to regulate their body temperatures. However, it can also be a sign of many other things such as aggression or defensive behavior.

Reasons Why Bearded Dragons Hold Their Mouths Open

Even though keeping their mouth open is not usually a bad sign, you should figure out when he’s doing it to see if he’s in discomfort, anxious, or just trying to regulate his body temperature.

Here are 10 reasons why your bearded dragon might be keeping its mouth open

1. Gaping For Temperature Regulation