It is narrated from Hazrat Aisha (may Allah be pleased with her) that the Prophet (peace and blessings be upon him) forbade us from killing the snakes that live in houses, except for those snakes which have a short tail or two stripes, because such snakes cause blindness and cause women to miscarry. And whoever leaves these snakes (without killing them) is not from among us. Hadith number (25039 and 25040) is also narrated from this second chain.