Matsya Purana 138.23

138.23

yathā bhramanti pramathāḥ sadaityāstathā bhramante timayaḥ sanakrāḥ.
yathaiva chindanti parasparantu tathaiva krandanti vibhinnadehāḥ.. 138.21 ..

When the dying strong-bodied demons fell into the ocean there was a terrible noise like the thundering of clouds Hearing which and attracted by the gush of blood the crocodiles and other huge monsters pervading the deep agitated deeply the ocean And they fought among themselves for the flesh and the blood of the fallen heroes on which they lavishly feasted with satisfaction Huge whales devoured the bodies of the demons with their chariots, horses, weapons ornaments, etc, after driving away the smaller monsters who had also collected there to have their share The sea monsters fought among themselves for the sole monopoly of the flesh and the blood as toughly as the Devas and the demons did between themselves So there was fighting going on in the sea as there was between the Devas and the Asuras above They ran about scouring the ocean to pick the dead heroes as did the fighting foes on the battlefield above, and the monsters bit each other with the same excitement as did the warriors in course of the battle—16 21