Sayyiduna Jabir bin Abdullah (may Allah be pleased with him) says that a lizard (dabb) was brought to the Prophet (peace and blessings be upon him), and he (peace and blessings be upon him) refused to eat it and said: "I do not know; perhaps it is from the earlier nations that were transformed."
(b) This hadith is like the hadiths of Sayyiduna Ibn Umar and Sayyiduna Ibn Abbas (may Allah be pleased with them both) in that he (peace and blessings be upon him) refrained from eating it; it mentions another reason for refraining besides aversion, and it also adds something that indicates it is permissible.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الضحايا / 19419