this is happening to my chameleon too. He could only stick it out 2 or 3 inches from his mouth. (this only started today.) and after repeatedly not being able to strike far, he appeared to "puke" his tongue out. He hunched his back, and stuck his tongue fully out, while making a terrible wheezing noise. it sounded as if air was escaping. he then tried again to get the silkworm, and he could only stick it out 2 or 3 inches. He had to go over and eat the worm with his mouth. Once in his mouth, Lego (my jackson's chameleon) stuck his tonge out about two inches with a hunched back. Am i worried? YES! I am going to post a new forum, but i just wanted to let you know my experience.