[teucris]

I agree with your post but it’s worth noting it does not apply to dolphins. Dolphins are not pacifists[0].

[0] http://www.bbc.com/earth/story/20160204-cute-and-cuddly-dolp...

[kyuudou]

They can be pretty brutal to sharks and themselves. Also on a more bizarre note they can get rather rape-y esp. on hallucinogens: https://www.youtube.com/watch?v=prmx0lYBTko