Sahih Muslim
The Book of Games and the Animals which May be Slaughtered and the Aninals that Are to be Eaten (Kitab-us-Said wal-Dhabaih wa ma Yukalu min Al-Hayawan)
Book Number: 021 / Hadith Number: 4783
Ibn 'Umar reported: Allah's Messenger (may peace be upon him) was asked about the eating of (the flesh) of the lizard, whereupon he said: I am neither the eater of it nor its prohibitor.