Some sites do say that, but you’d have to eat fish.
https://www.mindbodygreen.com/articles/what-meat-has-the-most-protein
I make bi annual trips to the Gulf and come back with dry ice packed tuna, red fish, and grouper.
Fantastic stuff. And I am a rancher.
For a guy with tons of tanks filled with bass and catfish, I can’t stand either. Nasty tasting.