5800 cattle
They were locked in above and below deck stalls and all drowned en masse when the ship capsized. Assuming that the ship filled with water and righted itself as it sank, it may have settled relatively intact and they are all inside the wreck on the bottom of the ocean, possibly some thousands of feet deep. The feast will be for the bottom scavengers who can penetrate the hull. The sharks will get their chance if the wreck has broken up.
Here are some images of the ship under a previous name:
https://www.marinetraffic.com/en/photos/of/ships/shipid:857992/#forward
https://www.marinetraffic.com/en/photos/of/ships/shipid:857992/#forward