A big bark doesn’t necessarily tally with an aggressive dog – for instance, the Japanese tosa, which is banned in many countries due to its origins as a fighting breed, fights in silence.

Since the XL Bully is now banned in the UK you need to be on the lookout for the Cane Corso, which is a very large dog.

A professional dog groomer was tasked with giving a Rottweiler a makeover, but some viewers were quick to rush to the breed's ...