He said to the Messenger of Allah ﷺ, "We want to clean out Zamzam, but there are some of these jinnan in it," meaning small snakes. So the Prophet ﷺ ordered that they be killed.
حدثنا أحمد بن منيع حدثنا مروان بن معاوية عن موسى الطحان قال حدثنا عبد الرحمن بن سابط
أنه قال لرسول الله ﷺ إنا نريد أن نكنس زمزم وإن فيها من هذه الجنان يعني الحيات الصغار فأمر النبي ﷺ بقتلهن
No references are available.
[Its isnad is daif]. Marwan Fazari transmitted using the "an" formula, without stating direct hearing, and there is doubt about whether Abdul-Rahman bin Sabit heard from Ibn Abbas.Musaddad narrated to us, Sufyan narrated to us.