Analysis of information sources in references of the Wikipedia article "Animals in Islam" in English language version.
The seven pious youths 'and the eighth with them was their dog' (Sūra 18:22) have turned into protective spirits, whose names, and especially that of their dog Qiṭmīr, written on amulets, carry Baraka with them.
Al-Thaʻlabī cites an opinion according to which the dog of the Dwellers of the Cave[...] will dwell in heaven. Al-Thaʻlabī, al-Kashf wa-al-Bayān (Beirut: Dār Iḥyāʼ al-Turāth al-ʻArabī, 2002), 2:251.
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: CS1 maint: numeric names: authors list (link)But Islamic scholars and other Muslims say that many hadith are fabricated or hard to verify, including those about dogs. And because these hadith contradict the apparent divine sanction for dogs in the Quran, these stories should not be trusted.