[tom_b]

I think much training for dog aggressiveness is more about helping people to understand drives and managing "triggers" than training them out of the animal . . . it seems underappreciated by many normal dog owners.

My last dog had super high-prey drive and was also a fear biter.

Both drives were incredible. You could play train her to do almost anything in a very short period of time with classic behavior shaping. It was unfortunate that her fear drive was higher. But this mostly meant proper space management and patience were required along with never assuming that a situation was "ok" by default.

We worked with a number of animal behavioral specialists (including university veterinary behavioral practices), all of whom concluded it was just her default personality. Much of our success in keeping her with our family was building environments that minimized her fear drive impulses.

Still a great dog in many situations. She passed after a pretty healthy 15 1/2 years and I'm currently on a break from pets.