From what I've read, most modern scholars agree it was likely a sperm whale. The Roman records about how it sank ships, and descriptions of the body after it washed ashore (before being butchered and consumed by the locals), support the idea.
This video is a good breakdown of it:
https://youtu.be/K9rZ9OFQEgw?si=7rF8KuHKQfMi-Joc
From what I've read, most modern scholars agree it was likely a sperm whale. The Roman records about how it sank ships, and descriptions of the body after it washed ashore (before being butchered and consumed by the locals), support the idea.
This video is a good breakdown of it: https://youtu.be/K9rZ9OFQEgw?si=7rF8KuHKQfMi-Joc
I found a YouTube link in your comment. Here are links to the same video on alternative frontends that protect your privacy: