Giant Sewer Rat
Binds when picked up
Use: Teaches you how to summon this companion.
Grooms face, sniffs air, and wanders around.
This pet is obtained via fishing in the Dalaran Underbelly (sewers). Like other capital cities in Azeroth, a fishing skill of 1+ is all that's required to fish in Dalaran. See El's Extreme Anglin' guide Dalaran Fishing - Giant Sewer Rat for more information.