probably he did, but he also played a role in the farm life of early american families. just for fun, here are some stats from the American Temperament Test Society.

Breed Name
PORTUGUESE WATER DOG
Tested
147
Passed
113
Failed
34
Percent
76.9%

Breed Name
AMERICAN PIT BULL TERRIER
Tested
586
Passed
494
Failed
92
Percent
84.3%

www.atts.org/

not to be personal I'm just messin with ya, but apparently more APBT owners have had their dogs tested than PWD's