Hadith 517760
Chapter 54: General Subjects - كتاب الاستئذان
حَدَّثَنِي مَالِكٌ، عَنْ نَافِعٍ، عَنْ أَبِي لُبَابَةَ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم نَهَى عَنْ قَتْلِ الْحَيَّاتِ الَّتِي فِي الْبُيُوتِ .
Malik related to me from Nafi from Abu Lubaba that the Messenger of Allah, may Allah bless him and grant him peace, forbade killing snakes which were in the houses.
Reference Muwatta Malik 517760
USC-MSA web (English) reference : Book 54, Hadith 31