Sahih al-Bukhari 5480
Book 72: Hunting, Slaughtering · Narrated by Ibn `Umar
Arabic
حَدَّثَنَا مُوسَى بْنُ إِسْمَاعِيلَ، حَدَّثَنَا عَبْدُ الْعَزِيزِ بْنُ مُسْلِمٍ، حَدَّثَنَا عَبْدُ اللَّهِ بْنُ دِينَارٍ، قَالَ سَمِعْتُ ابْنَ عُمَرَ ـ رضى الله عنهما ـ عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ " مَنِ اقْتَنَى كَلْبًا لَيْسَ بِكَلْبِ مَاشِيَةٍ أَوْ ضَارِيَةٍ، نَقَصَ كُلَّ يَوْمٍ مِنْ عَمَلِهِ قِيرَاطَانِ ".
English translation
Narrated Ibn `Umar:The Prophet (ﷺ) said, "Whoever keeps a (pet) dog which is neither a watch dog nor a hunting dog, will get a daily deduction of two Qirat from his good deeds
Reference: Sahih al-Bukhari 5480, Book of Hunting, Slaughtering. English translation by Dr. Muhammad Muhsin Khan.