I heard the Prophet (ﷺ) saying, "If someone keeps a dog neither for hunting, nor for guarding livestock, the reward (for his good deeds) will be reduced by two Qirats per day."
Sahih al-Bukhari Book 72, Hadith 7
← Previous Hadith 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."

Sahih al-Bukhari Book 72, Hadith 6 Next Hadith → Allah's Messenger (ﷺ) said, "If someone keeps a dog neither for guarding livestock, nor for hunting, his good deeds will decrease (in reward) by two Qirats a day.'

Sahih al-Bukhari Book 72, Hadith 8