My search yielded a different price range...

Check out the prices of pets here... wowtgcloot

An Instant Buy for $119.00

Thanks for all the theories so far, however this happened just before I posted and so the Darkmoon Fair had ended the previous day. This was the weirdest thing. Because it happened at the end of the battle, just after the notification that my Dread Hatchling had leveled to 25, I thought for a moment...

At the very end of a wild pet battle, the word "Moonfang" came up(in orange letters) in the middle of my screen, just after the notification that my pet had leveled up. The word "Moonfang" also came up in my chat (in yellow letters). The pet that had leveled and was also the last pet to battle was m...