"I had him from an egg, you know? Tiny little thing he was when he hatched. No bigger than a Pekingese. A Pekingese, mind you!"
"How sweet! I once had a fish... Francis. He was very dear to me. One afternoon, I came downstairs and... it vanished. Poof."
"That's very odd, isn't it?"
"Yes, doesn't it? But that's life! I suppose, you - you go along with and suddenly... poof."
"Poof."
"Poof."

-Rubeus Hagrid, Horace Slughorn &' Harry Potter.