“The scholars agree that the blood of land animals is impure,” but they differed concerning the blood of fish.
Second: It has been established from some of the early generations that which contradicts this unqualified assertion; indeed, some of it has the status of a report attributed to the Messenger of Allah, peace and blessings be upon him.
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The account of that Anṣārī Companion whom a polytheist shot with three arrows while he was standing in prayer, yet he continued his prayer as blood flowed from him. This occurred during the expedition of Dhāt al-Riqāʿ, as Abu Dawud and others narrated from Jabir through a good chain of transmission, as I have explained in Ṣaḥīḥ Abī Dāwūd (192). It is apparent that the Prophet, peace and blessings be upon him, knew of it, for it is unlikely that he would not have learned of such a momentous incident. Yet it has not been reported that he told him his prayer had been invalidated, as al-Shawkani said (1/165).
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Muhammad ibn Sirin narrated from Yaḥyā al-Jazzār that Ibn Masʿūd prayed while the contents of the stomach and blood of a slaughtered camel were upon his abdomen, and he did not perform ablution. It was narrated by ʿAbd al-Razzāq in al-Amālī (2/51/1), Ibn Abī Shaybah in al-Muṣannaf (1/151/1), and al-Ṭabarānī in al-Muʿjam al-Kabīr (3/28/2). Its chain of transmission is authentic; they narrated it through several routes from Ibn Sirin and Yaḥyā ibn al-Jazzār. Ibn Abī Ḥātim said (4/2/133): “My father and Abu Zurʿah said: ‘He is trustworthy.’”
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Ibn Rushd mentioned the scholars’ disagreement concerning the blood of fish, and stated that the reason for their disagreement was their disagreement concerning its carcass: whoever held that its carcass fell under the general prohibition held the same regarding its blood, while whoever excluded its carcass likewise excluded its blood by analogy with the carcass.
This indicates two matters:
First: the unqualified assertion that blood is impure is incorrect, because there are some