evidence: The posts claim that gecko skin is "more dangerous than snake venom" and that the reptile is "the most dangerous killer in the household". [...] But is there any truth to the claim that gecko skin is more dangerous than snake venom and that the reptile is the most dangerous killer in the household? We checked. [...] Geckos are not poisonous, therefore the claim that the skin of geckos is "more dangerous than snake venom" is false.