I agree there is variance in individual fishes as well as behavior induced by tank mates and environment; i would also claim that individual species have certain trends with some being more passive and others more aggressive.Behaviour is pretty much an individual fish thing - some are more aggressive than others. I had A. Hoignei that were chasing fish 3 times their size around in a 60 litre 2 foot tank.
Would choose the Baenschi over the rest as they are a bit more special; Panduro are bread butter fish and quite common.