A Tibetan Mastiff. Probably one of the largest, strongest and fearless breeds around.

A Tibetan Mastiff. Probably one of the largest, strongest and fearless breeds around.

Neapolitan Mastiff - The ancient Romans used this fierce dog as fighters in their gladiator rings.

Neapolitan Mastiff - The ancient Romans used this fierce dog as fighters in their gladiator rings.

Everything you want to know about Mastiffs including grooming, training, health problems, history, adoption, finding good breeder and more.

Everything you want to know about Mastiffs including grooming, training, health problems, history, adoption, finding good breeder and more.

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