When tortoises retract quick into their shell they have to eject the air out of their lungs. That makes the hissing sound you hear.Ok thanks at first I thought it was a respitory infection
That makes more sense nowWhen tortoises retract quick into their shell they have to eject the air out of their lungs. That makes the hissing sound you hear.
A tortoise that has a respiration infect makes noises with every breath he or she takes.