Mishkat al-Masabih 20 Game and Animals Which May Be Slaughtered كتاب الصيد والذبائح 33

وَعَنْ جَابِرٍ قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسلم: «مَا من دَابَّة إِلَّا وَقَدْ ذَكَّاهَا اللَّهُ لِبَنِي آدَمَ» . رَوَاهُ الدَّارَقُطْنِيّ

Jabir reported God’s messenger as saying, “There is no creature in the sea which God has not slaughtered for the sons of Adam.”* *A way of saying that fish are lawful food although they are not slaughtered. Daraqutni transmitted it.