So this question is very low key and has no urgency.
I have a 7 year old, fixed, male Miniature Pinscher.
He is currently eating a high protein dog food with Chicken as it's first listed ingredient. He has a wonderful coat and clear eyes and nose.
The only thing weird is he has this clear looking blister on top of his head, kind of back a bit by where his ear starts, that has perfectly clear liquid in it (think water).
It always refills and doesn't ever get to be any bigger than an early, spring pea would. When I examine/poke/prod it he never flinches or pulls away and looks at me like "Mom, what are doing in my face?!?"
Anyway, it seems to be something non threatening and it has never hurt him, gotten any bigger, or become infected and he is about 8 months away from his next yearly...I forgot to ask at his last one =(.
Does anyone have any ideas what it might be or if I should be doing something for it? If not it's not a bother to him, I just wondered if it had a name.