Dreams dictionary: Black Dog

Dreams dictionary: Interpretation 1
To see a Black Colored Dog in your fantasy symbolizes the shadow part of a companion. The dim side of somebody near you is being uncovered and you can see through to their actual goals."
Dreams dictionary: Interpretation 1
To see a black colored dog in your dream symbolizes the shadow aspect of a friend. The dark side of someone close to you is being revealed and you are able to see through to their true intentions.