Hadith 12:205
Abu Bakr narrated to us, he said: Abd al-Rahim narrated to us, from Abd al-Rahman ibn Harmala, he said: I heard Sa'id ibn al-Musayyib being asked about the game of the sea and its food. He said: Its food is what it casts out while it is alive.
حدثنا أبو بكر قال نا عبد الرحيم عن عبد الرحمن بن حرملة قال سمعت سعيد بن المسيب سئل عن صيد البحر وطعامه قال طعامه ما لفظ وهو حي