Hello ?? I’m new on this forum , I have my little friend snap? he is 22 year old Hermann , with a underbite just noticing on him a black spot inside his mouth , he is eating and active not changes on behaviour, normal poop and pee urates, not discharge on nose or wissy, I’m just concern about this it hasn’t been any change on size but don’t know how this can be clear. I would appreciate if somebody share if they have seein this before or any advice ? Thank you very much , sorry for my grammar is not great English my second lenguaje ?? here I will attached a picture ! He love his blueberry traeat!