It is narrated from Sayyiduna Ibn Umar (may Allah be pleased with them both) that a man asked the Prophet (peace and blessings be upon him) about the lizard. So the Prophet (peace and blessings be upon him) said: "I do not eat it, nor do I declare it unlawful."
Hadith Referenceمسند احمد / مسند المكثرين من الصحابة / 5068
Hadith Gradingحکم دارالسلام:حديث صحيح، م: 1943، ابن إسحاق - وإن كان مدلسا، وقد عنعن- متابع .